Zoology Practice MCQs (Most Important and Expected Questions) CSIR NET JRF Set 17

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Q.6 Neurotransmitter are involved in

a. nerve transmissionb. synoptic transmissionc. chemical transmissiond. b & ce. a & c

Answer: D

Q.7 Pepsin is the chemical involved in

a. Protein breakdownb. carbohydrates breakdownc. protein synthesisd. lipid breakdown

Answer: A

Q.8 Food is assimilated into the body from digestive tract in

a. oesophagusb. stomachc. small intestined. rectum

Answer: C

Q.9 Excretory product is produced through the breakdown of

a. proteinb. carbohydratesc. lipidd. all of these

Answer: A

Q.10 Basic process of respiration occurs in

a. lungsb. mitochondriac. blood circulationd. none of these

Answer: B

Q.11 Genetic dominance involves

a. personality dominanceb. better adaptive valuec. a wider population distributiond. all a,b & ce. none of the above

Answer:

Q.12 Principle of segregation is applicable to

a. Hetrozygous individual onlyb. homozygous indvidual onlyc. Diploid individuald. none of these

Answer: C

Q.13 XXY individual in man is phenotypically a

a. Femaleb. malec. super femaled. super male

Answer: B

Q.14 sex linkage concerns with the gene

a. Responsible for the development of sexb. Associate with some sexc. Located on X chromosome onlyd. located on sex chromosome

Answer: C

Q.15 Cistron is the smallest part of the chromosome working as

a. Mutational unitb. functional unitc. Recombinational unitd. None of these

Answer: B

Q.1 First living organism on this planet was

a. an algal cellb. a virusc. a protozoad. none of these

Answer: D

Q.17 Darwin's theory of natural selection believe in selection of

a. the fittestb. fittersc. better adapted individuald. All of these

Answer:D

Q.18 The raw material for evolution comes from

a. Mutationb. Chromosomal aberrationc. Recombinationd. All of these

Answer: A

Q.19 A group develops to adapt a number of diverse niches.The phenomena is called as

a. Convergent evolutionb. Divergentc. Punctuated evolutiond. none of these

Answer: B

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