Zoology Practice MCQs (Most Important and Expected Questions) NET, IAS, State-SET (KSET, WBSET, MPSET, etc.), GATE, CUET, Olympiads etc. Set 25

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Q.14 Sea horse is included in:

(a) Mammals

(b) Fish

(c) Reptiles

(d) None of these

Answer: B

Q.15 Circulatory system is open type in:

(a) Annelida

(b) Insects

(c) Mammals

(d) None of these

Answer: B

Q.16 The body cavity is regarded as pseudocoele in Nematodes because:

(a) Has ectodermal origin

(b) Not completely lined by Mesodermal epithelium

(c) Has endodermal origin

(d) None of these

(e) All of these

Answer: B

Q.17 True metameric segmentation is characteristic of:

(a) Molluses

(b) Annelida

(c) Arthropoda

(d) None of these

Answer: B

Q.18 Hollow dorsal nervous system is present in:

(a) Amphiexus

(b) Fish

(c) Mammals

(c) None of these

(e) All of these

Answer: E

Q.19 Contractile vacuole in protozoa is mainly responsible for:

(a) Excretion

(b) Osmoregulation

(c) respiration

(d) None of these

Answer: B

Q.20 Scorpion is included in:

(a) Insects

(b) Arachnida

(c) Echinodermata

(d) None of these

Answer: B

Q.1 Cell membrane is formed of:

(a) Carbohydrate

(b) Lipid

(c) Protein

(d) Lipoprotein

(e) None of these

Answer: D

Q.2 Electron transport chain reaction occur in:

(a) Cell membrane

(b) Cell wall

(c) Endoplasm

(d) Mitochondrion

(e) None of these

Answer: D

Q.3 Ribosomes in cell are responsible for:

(a) Protein formation

(b) Glycolysis

(c) Lipid breakdown

(d) All of these

(e) None of these

Answer: A

Q.4 Golgi complex is responsible for:

(a) Carbohydrate metabolism

(b) Protein synthesis

(c) Lipid synthesis

(d) None of these

(e) All of these

Answer: E

Q.5 Basic excretory chemicals in all the cells is:

(a) Urea

(b) Uric acid

(c) Ammonia

(d) None of these

(e) All of these

Answer: B

Q.6 Oxygen transport from lungs to tissue occurs through:

(a) Difference in pressure

(b) Solubility in plasma

(c) Attachment with RBC surface

(d) None of these

(e) All of these

Answer: C