In human blood, the oxygen carrier is
Options
(a) Iron (b) Meth-haemoglobin (c) Haemocyanin (d) Haemoglobin
Correct Answer:
Haemoglobin
Explanation:
Haemoglobin, an iron containing red pigment is responsible for transport of O₂ and […]
In horses, rabbits, hares, the cellulose gets digested in the
Options
(a) Caecum (b) Stomach (c) Appendix (d) Rumen
Correct Answer:
Caecum
Explanation:
Caecum is a small, pouch-like structure which ends into a […]
If excess water passes out from the tissue without being restored by the kidneys. the cells wound
Options
(a) Burst open and die (b) Take water from the plasma (c) Not be affected […]
How many ribs are present in human beings
Options
(a) 6 pairs (b) 9 pairs (c) 12 pairs (d) 15 pairs
Correct Answer:
12 pairs
Explanation:
12 pair ribs are present in human […]
Epithelial tissue performs the following functions
Options
(a) Protection, secretion, absorption, respiration (b) Protection, secretion, sensatoin, absorption (c) Protection, secretion, absorption, digestion (d) None of these
Correct Answer:
Protection, secretion, sensatoin, absorption
Explanation: […]
Dental formula of rabbit is
Options
(a) 1023/1023 (b) 3023/3023 (c) 1023/2023 (d) 2033/1023
Correct Answer:
2033/1023
Explanation:
Dental formula of Rabbit is (2033/1023) × 2 = 16/12 = 28
Autorhythmicity is a special property of the muscles of the / Striped and branched muscle are found in
Options
(a) Liver (b) Intestine (c) Heart (d) Kidney
Correct Answer:
Heart
Explanation:
Cardiac muscles […]
Ankle bones have 6 tarsals and arranged in three rows then 1st row have
Options
(a) Astragalus and calcaneum (b) Pterygoid and astragalus (c) Pterygoid and calcaneum (d) None of these
Correct Answer: […]
Nine-tenth of all photosynthesis in the world (85-90%) is carried out by
Options
(a) large trees with millions of branches and leaves (b) algae of the ocean (c) chlorophyll containing ferns of forest […]
The reactive species in the nitration of benzene is
Options
(a) NO₃ (b) NHO₃ (c) NO₂⁺ (d) NO₂⁻
Correct Answer:
NO₂⁺
Explanation:
Nitronium ion (NO₂⁺) is an electrophile that actually attacks on the […]
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