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October 12, 2014

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

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

Biology Objective Bit Bank from Various Competitive Exams, GK Quiz Multiple Choice Questions with answers asked in Many Civil Service Exams with Key, Quiz on General Knowledge, GK Test,  Questions & Answers for UPSC IAS, SSC Tier 1, Bank PO Clerical, Railway RRB, APPSC, APSPSC & TPSC
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


384 Q) Which one of the following is the connecting link between phylum annelida and arthropoda?

(a)Peiipatus
(b) Elphidium
(c) Neopilina
(d) Archaeopteryx

385 Q) Which one among the following affects the flowering in plants?

(a) Gibberellin
(b) Cytokinin
(c) Florigen
(d) Auxin

                       
386 Q) Which one among the following tissues can be used for the extraction of fibres?

(a) xylem and phloem
(b) xylem, phloem and sclerenchyma
(c) xylem, parenchyma and phloem
(d) xylem, phloem, epidermis and sclerenchyma

387 Q) " Assertion (A) Algae and Green fuels are third generation biofuels. 
Reason (R) The third generation biofuels are environment friendly and also known as advanced fuels"

(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

388 Q) Among the plants, pheromones secreted by the cells. For Which of the following is/are the function of a know more function?

(a) Ail plants for growth and development
(b) Yeast for facilitating mating
(c) All Fungi for Sekual reproduction.
(d) Rhizopus for the formation of zygospore

389 Q) RNA differs from DNA in having

(a) thymine
(b) uracil
(c) adenine
(d) guanine

390 Q) Father of the Indian Systematic Botany is

(a) H Santapau
(b) Birbal Sahni
(c) SR Kashyap
(d) R Mukherjee
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