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October 9, 2014

Quiz 4- Biology-General Studies: General Knowledge Question & Answers

31 Q) "The pigment similar to animal haemoglobin in plants""leghaemoglobin'' occurs in "

(a) ectomycorhiza
(b) fungi associated with gymnosperms
(c) nodulated roots of non-legumes
(d) Poacteriods associated with legumes

32 Q) Which one of the glands in human body produces the growth hormone (somatotrophin)?

(a) Adrenal
(b) Pancreas
(c) Pituitary
(d) Thyroid

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
33 Q) In a bisexual flower in androecium and gynoecium mature at different time the phenomenon is known as

(a) dichogamy
(b) herpogamy
(c) haterogamy
(d) monogamy


34 Q) What is the cause of Addison's disease?

(a) Hypersecretion of Gonads
(b) Hypersecretion of thyroid gland
(c) Hyposecretion of thyroid gland
(d) Hyposecretion of adrenal gland

35 Q) Commensal to man found in colon is

(a) Bacillus
(b) Escherichia coli
(c) Streptococcus
(d) Both 'b' and 'c'

                       
36 Q) The spindle fibres are mostly composed of

(a) myoglobin
(b) actin
(c) myosin
(d) tonafilament

37 Q) The yellow and orange colour of fruits and flowers are mainly due to

(a) leucoplasts
(b) chloroplast
(c) aleuroplast
(d) chromoplast

38 Q) Which one among the following is responsible for provide balance in human beings?

(a) Outer ear
(b) Middle ear
(c) Internal ear
(d) Eustachian tubes
p 39 Q) " Assertion (A) The pneumatophores of mangroves show negative geotropism. 
 Reason (R) The pneumatophores of mangroves are specialised to capture moisture and nutrients from the atmosphere."

(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

40 Q) "Assertion (A) Earthworm is a hermaphrodite annelid. 
Reason (R) Cross-fertilization is not observed in the earthworm."

(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
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