Zoology Practice MCQs (Most Important and Expected Questions) NET, IAS, State-SET (KSET, WBSET, MPSET, etc.), GATE, CUET, Olympiads etc. Set 12
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Q.16 In the days just after its formation the earth had:
(a) Reducing atmosphere
(b) Oxidative atmosphere
(c) Both “a” and “b”
(d) None of these
Answer: A
Q.17 Zygotes containing “XY” are females in:
(a) Drosophila
(b) In moths
(c) In grasshoppers
(d) None of these
Answer: A
Q.18 The “Y” Chromosomes is sexually neutral in:
(a) Man
(b) In Drosophila
(c) In moth
(d) None of these
Answer: D
Q.19 Marsupial are found in:
(a) Only Australian region
(b) In near arctic and Neotropical regions
(c) Both “a” and “b”
(d) None of these
Answer: D
Q.20 In which stage of Meiosis Cento mere of each dyad divides?
(a) Metaphase I
(b) Metaphase II
(c) Anaphase I
(d) Anaphase II
(e) None of these
Answer: B
Q.1 Coelom is the body cavity originating from
(a) ectoderm
(b) mesoderm
(c) endoderm
(d) none of these
Answer: B
Q.2 Cytopharynx is the structure present in
(a) Amoeba
(b) paramecium
(c) Euglena
(d) foraminifers
(e) none of these
Answer: B
Q.3 Gemmules are the reproductive structures produced in
(a) sponges
(b) Annelids
(c) Arthropods
(d) coelenterates
Answer: A
Q.4 Comb plates are very specific structures of
(a) coelenterates
(b) Arthropoda
(c) ctenophora
(d) none of these
Answer: C
Q.5 Nerve net is present in coelenterates at
(a) in endodermis
(b) below upper epidermis
(c) in mesoglea
(d) not present in coelenterates
Answer: B
Q.6 Circulatory system in insects is
(a) Closed type
(b) open type
(c) lymphic type
(d) All of these
Answer: B
Q.7 Silk is produced by silkworm
(a) larva
(b) adult
(c) pupa
(d) All of these
Answer: A
Q.8 The basic function of a flame cell is
(a) excretion
(b) osmoregulation
(c) digestion
(d) none of these
Answer: A
Q.9 The scale in fishes are
(a) ectodermal
(b) endodermal
(c) mesodermal
(d) different in different fishes
Answer: C