Quiz 40- Biology-General Studies: General Knowledge Question & Answers

391 Q) The placoid scales are found only in

(a) osteichthyes
(b) elasmobranchii
(c) bony fishes
(d) lung fishes

Show Answer

B

392 Q) The monocot plants lack the process of grafting. It is mainly due to lack of

(a) vascular tissue
(b) ground tissue
(c) parenchymatous tissue
(d) cambium tissue

Show Answer

D

393 Q) "Assertion (A) Heart pacemaker is a life saving device when the normal heart rate of 72-80 drops to 30-40 due to a disease or any other cause. 
Reason (R) Heart pace-maker electrically stimulates the contractile heart walls."

(a) Both A and R are true and R is the correct explanation of A
(b) Both A and R are true but R is not the correct explanation of A
(c) A is true but R is false
(d) A is false but R is true

Show Answer

A

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Quiz 36- Biology-General Studies: General Knowledge Question & Answers

351 Q) The secretory product pectin of cell wall is chemically a

(a) protein
(b) carbohydrate
(c) lipid
(d) nucleic acid

Show Answer

B

352 Q) Coagulation of blood in the vessel is prevented during normal condition by

(a) prothrombin
(b) calcium
(c) heparin
(d) albumin

Show Answer

C

353 Q) Which of the following imparts yellow colour to urine in humans?

(a) Cholesterol
(b) Lymph
(c) Urochrome
(d) Bile salts

Show Answer

C

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Quiz 39- Biology-General Studies: General Knowledge Question & Answers

381 Q) The fruit after ripening becomes soft. It is due to

(a) dissolution of tannin in sap
(b) dissolution of middle lamella
(c) formation of ethylene gas
(d) formation of auxin

Show Answer

B

382 Q) Which of the following should a man consume if he lacks rhodopsin in his eyes?

(a) Orange and amla
(b)Papaya and mango
(c)Watermelon and orange
(d)Lemon and mango

Show Answer

B

383 Q) "Assertion (A) All food chain will come to standstill if the bacteria disappears from the earth. 
 Reason (R) Bacteria are only associated with soil fertility and play hardly any role for food chain."

(a) Both A and R are true and R is the correct explanation of A
(b) Both A and R are true but R is not the correct explanation of A
(c) A is true but R is false
(d) A is false but R is true

Show Answer

C

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Quiz 38- Biology-General Studies: General Knowledge Question & Answers

371 Q) Which one among the following micro orgainisms can be used in "Microbial fuel cells"?

(a) Clostridium butyricum
(b) Shewanella putrefaciens
(c) E coli
(d) Acetobacter

Show Answer

B

372 Q) Which of the following animals have the biconvex and non-nucfeated RBCs?

(a)Amphibians
(b) Birds
(c) Reptiles
(d) Mammals

Show Answer

D

373 Q) In which of the following groups would you place a plant, which produces spores, has vascular tissues and bear seeds without fruits?

(a) Bryophytes
(b) Angios perm
(c) Pterydophytes
(d) Gymnosperm

Show Answer

D

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Quiz 37- Biology-General Studies: General Knowledge Question & Answers

361 Q) The receptors for bitter taste are located at which part of tongue?

(a) Base of tongue
(b) Tip of tongue
(c)Posterior median part of the tongue
(d)The edges of tongue

Show Answer

C

362 Q) How do marine animals survive in water without air contact?

(a) They do not require any oxygen
(b) They take oxygen from water
(c) They only produce oxygen in their body
(d) They get oxygen from water plants

Show Answer

A

363 Q) During meiosis, the disjunction of chromosomes can be seen in stage

(a) metaphase I
(b) metaphase II
(c) anaphase I
(d) anaphase II

Show Answer

C

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Quiz 35- Biology-General Studies: General Knowledge Question & Answers

341 Q) "Consider the following statements 
1. Sea mouse is a mammal 
2. In sea mouse, the haemoglobin is dissolved in the plasma of blood. 
Which of the statements given above is/are correct?"

(a) Only 1
(b) Only 2
(c) Both 1 and 2
(d) Neither 1 nor 2

Show Answer

B

342 Q) Milk is unique in its nutritive value. However, it is a poor source of

(a) calcium
(b) iron
(c) copper
(d) sodium

Show Answer

B

343 Q) In a particular disease, the woman may possess male like characters like beards and moustaches. This happens because of

(a) hypersecretion of gonads
(b) hypersecretion of thyroid gland
(c) hyposecretion of adrenal gland
(d) hypersecretion of adrenal gland

Show Answer

D

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Quiz 34- Biology-General Studies: General Knowledge Question & Answers

331 Q) "Assertion (A) In a experiment, the permanent colour painted on a tree stem about 2-feet above ground level remains unchanged after 6-months. 
Reason (R) The meristematic tissue is found at the tip of trees."

(a) Both A and R are true and R is the correct explanation of A
(b) Both A and R are true but R is not the correct explanation of A
(c) A is true but R is false
(d) A is false but R is true

Show Answer

A

332 Q) The number of cell organelles in our body can be kept in control by which of the following organelle?

(a) Lysosome
(b) Golgi bodies
(c) Mitochondria
(d) Nucleus

Show Answer

A

333 Q) Which of the following stages is associated with the formation of chiasmata during meiotic cell division?

(a)Leptotene
(b) Zygotene
(c) Pachytene
(d) Diplotene

Show Answer

C

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Quiz 33- Biology-General Studies: General Knowledge Question & Answers

321 Q) "Consider the following statements 
I. In birds bone marrow is filled with air-sacs. 
II. Air-sacs in birds helps in respiration as well as in body temperature regulation. 
Which of the statements given above is/are correct?"

(a) Only I
(b) Only II
(c) Both I and II
(d) Neither I nor III

Show Answer

C

322 Q) "Consider the following statements 
I. Chloroplast is known as cell within cell organelle. 
II. Chloroplast is the largest cell organelle found in plant cells. 
III. Chloroplasts have single stranded extra-chromosomal DNA. 
Which of the statements given above is/are correct?"

(a) All of these
(b) I and II
(c) I and III
(d) Only III

Show Answer

A

323 Q) Which of the following is the most important factor for speciation?

(a) Morphological isolation
(b) Ethological isolation
(c) Reproductive isolatio
(d) Geographical isolation

Show Answer

C

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Quiz 32- Biology-General Studies: General Knowledge Question & Answers

311 Q) "Consider the following statements 
I. Thirst and hunger feelings of man 
II. Body temperature regulation in mammals 
III. Salivation in mammals 
IV. Respiration in animals 
Which of the functions given above is/are performed by the hypothalamus?"

(a) I and III
(b) I and II
(c) II and III
(d) II and IV

Show Answer

B

312 Q) "Assertion (A) Chara is stonewort algae closed to bryophytes. 
Reason (R) It has jacketed sex organs."

(a) Both A and R are true and R is the correct explanation of A
(b) Both A and R are true but R is not the correct explanation of A
(c) A is true but R is false
(d) A is false but R is true

Show Answer

A

313 Q) Which one of the following organelles is the smallest membrane bound organelle?

(a) Ribosomes
(b) Golgi bodies
(c) Lysosome
(d) Nucleolus

Show Answer

C

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Quiz 31- Biology-General Studies: General Knowledge Question & Answers

301 Q) Which one among the following cell organelle is associated with GERL complex?

(a) Ribosomes
(b) Golgi bodies
(c) Peroxisomes
(d) Glyoxysomes

Show Answer

B

302 Q) Assertion (A) ACTH regulates the formation and maturation of RBCs in our body. 
Reason (R) The stem cells in the bone marrow undergoes smitosis and speeds up the development of RBCs.

(a) Both A and R are true and R is the correct explanation of A
(b) Both A and R are true but R is not the correct explanation of A
(c) A is true but R is false
(d) A is false but R is true

Show Answer

D

303 Q) Which of the following continent is known as the "Bird continent"?

(a)Africa
(b) Asia
(c) South America
(d) None of these

Show Answer

C

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Quiz 30- Biology-General Studies: General Knowledge Question & Answers

291 Q) Bacteriophage is

(a) bacterium
(b)fungus
(c) virus
(d)mycoplasm

Show Answer

C

292 Q) "Before X-ray examination (coloured X-ray) of the stomach, patients are given suitable salt of barium because "

(a) barium salts are white in colour and this helps stomach to appear clearly
(b) barium is a good absorber of X-rays and helps stomach to appear clearly
(c) barium salts are easily available
(d) barium allows X-rays to pass through the stomach

Show Answer

B

293 Q) The phase of cell cycle during which'DNA polymerase' is functionally active is

(a) G,-phase
(b) M-phase
(c) S-phase
(d) G2-phase

Show Answer

C

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Quiz 29- Biology-General Studies: General Knowledge Question & Answers

281 Q) Which one among the following is responsible for the expansion of water in the ocean?

(a) Carbon dioxide
(b) Nitrogen dioxide
(c) Carbon monoxide
(d) Sulphur dioxide

Show Answer

B

282 Q) "A person passes much urine and drinks much water but his blood glucose level is normal. This condition may be due to "

(a) hypersecretion of androgens from testes
(b) hypersecretion of thyroxine from thyroid gland
(c) hyposecretion of vasopressin from posterior pitutiary gland
(d) hyposecretion of corticosteroids from adrenal gland

Show Answer

C

283 Q) The word "Taxonomy" was coined by

(a) C Linnaeus
(b) Theophrastus
(c) De Candolle
(d) Lamarck

Show Answer

C

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Quiz 28- Biology-General Studies: General Knowledge Question & Answers

271 Q) "Consider the following statements 
I. The sickle cell anaemia is a genetic disease common in tropical and sub-tropical countries. 
II. The sickle cell anaemia is due to mutation in (1-globulin gene. 
III. Due to the sickles-shaped aneania, oxygen carrying capacity of the haemoglobin decreases. 
Which of the statements given above is/are correct?"

(a) Only I
(b) I, II and III
(c) II and III
(d) Only III

Show Answer

B

272 Q) "Which of the following statements about sexual reproduction in flowering plants are correct? 
I. Stamen is present in the center of a flower. 
II. Stamen produce pollen grains in the ovary. 
III. The swollen bottom part of carpel is the ovary. 
IV. The fusion of germ cells gives rise to zygote. 
Select the correct answer using the codes given below"

(a) II, III and IV
(b) II and IV
(c) I and III
(d) All of these

Show Answer

D

273 Q) "Consider the following statements 
I. Penguin is a mammal found in Antarctic region. 
II. Penguin is an oviparous animal. 
Which of the statements given above is/are correct?"

(a) Only I
(b) Only II
(c) Both I and II
(d) Neither I nor III

Show Answer

C

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Quiz 27- Biology-General Studies: General Knowledge Question & Answers

261 Q) The relationship between the epiphytic plants and the host plants is

(a) symbiotic
(b) commensalism
(c) amensalism
(d) mutualism

Show Answer

B

262 Q) Which among the following hormone has a stimulatory effect on the heart?

(a) Estrone
(b) Erythropoietin
(c) Thyroxine
(d) Epinephrine

Show Answer

D

263 Q) "Consider the followings organs 
I. Vermiform appendix. 
II. Auricular muscle of external ear
III. Plica semilunaris 
IV. Mammary glands in males 
Which of the organs give above is/are vestigial in man?"

(a) II, III and IV
(b) III and IV
(c) I, II and III
(d) All of these

Show Answer

D

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Quiz 26- Biology-General Studies: General Knowledge Question & Answers

251 Q) The nucleosome is

(a) histone proteins
(b) DNA wrapped around histones
(c) RNA wrapped around histones
(d) DNA wrapped around acidic proteins

Show Answer

B

252 Q) Where is the Institute of Microbial Technology (IMTECH) situated?

(a) Mumbai
(b) Chandigarh
(c) Chandigarh
(d) Chennai

Show Answer

C

253 Q) The theory of the continental drift was proposed by

(a) Alfred ulegener
(b) Charles Darwin
(c) Hutchinson
(d) Linnaeus

Show Answer

A

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Quiz 25- Biology-General Studies: General Knowledge Question & Answers

241 Q) "Assertion (A) Wind is the renewable and non-conventional source of energy. 
Reason (R) India is ranked fifth in wind energy production in the world."

(a) Both A and R are true and R is the correct explanation of A
(b) Both A and R are true but R is not the correct explanation of A
(c) A is true but R is false
(d) A is false but R is true

Show Answer

B

242 Q) Which among the following hormones can be used in the treatment of diabetes insipidus?

(a) Estrone
(b) Erythropoietin
(c) Thyroxine
(d) Vasopressin

Show Answer

D

243 Q) Which one among the following is a major source of sugar? 

(a) Watermelon
(b) Beetroot
(c) Sugarcane
(d) Date

Show Answer

C

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Quiz 24- Biology-General Studies: General Knowledge Question & Answers

231 Q) The pH of human blood is normally around

(a) 1.5-6.5
(b) 5.5 - 6.5 (CDS 2012)
(c) 7.5 - 8.0
(d) 8.5 - 9.0

Show Answer

C

232 Q) "Consider the following statements 
I. Pollen grains can withstand extremes of temperature and dessication. 
II. Pollen grains have sporopollenin, one of the most resistant biological material 
Which of the statements given above is/are correct?"

(a) Only I
(b) Only II
(c) Both II and III
(d) Neither I nor II

Show Answer

C

233 Q) "Select the correct answer 
I. Lung fish 
II. Spiny ant eater
III.Tortoise 
Which of the organisms given above is/are connecting links?"

(a) Only I
(b) I and II
(cj II and III
(d) Only II

Show Answer

B

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Quiz 23- Biology-General Studies: General Knowledge Question & Answers

221 Q) Which one among the following vitamins was regarded as the "wonder drug" by Linus Pauling?

(a) Vitamin A
(b) Vitamin B complex
(c) Vitamin C
(d) Vitamin D

Show Answer

C

222 Q) "Assertion (A) Storing of ripe fruits with unripe fruits causes ripening of unripe fruits. 
Reason (R) Ripe fruit releases auxin hormone."

(a) Both A and R are true and R is the correct explanation of A
(b) Both A and R are true but R is not the correct explanation of A
(c) A is true but R is false
(d) A is false but R is true

Show Answer

C

223 Q) When an aeroplane take off, some occupants often feel pain in the region of ears. This is because of

(a) effect of loud sound in the middle ear
(b) rapid movement of otoliths in the inner ear
(c) rapid movement of endolymph in the semicircular canals
(d) blockage of the eustachian tubes

Show Answer

D

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Quiz 22- Biology-General Studies: General Knowledge Question & Answers

211 Q) Which one among the following animal tissues transport hormones, heat and maintains water balance?

(a) Blood
(b) Connective tissue
(c) Muscular tissue
(d) Nervous tissue

Show Answer

A

212 Q) Which of the following vitamins are to be with our daily diet?

(a) A, B complex, C and E
(b) A, D, E and K
(c) B complex and C
(d) B complex, C and E

Show Answer

C

213 Q) Sun loving plants are

(a) halophytes
(b) sciophytes
(c) heliophytes
(d) autotrophs

Show Answer

C

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Quiz 21- Biology-General Studies: General Knowledge Question & Answers

201 Q) Complete oxidation of one gram of glucose yields (in calories)

(a) 68600
(b) 686000
(c) 6860000
(d) 686

Show Answer

B

202 Q) "Select the correct answer 
I. Flipper of a seal 
II. Wing of a bat 
III. Arm of a man 
IV. Wing of a moth 
Which of the organs given above is/are homologous?"

(a) II, III and IV
(b) III and IV
(c) I, II and III
(d) All of these

Show Answer

C

203 Q) Leishmania, the causative agent of kala-azar, multiplies asexually by

(a)budding
(b) binary fission
(c) multiple fission
(d) sporogony

Show Answer

B

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