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The function of stomodeal valve in the g...

The function of stomodeal valve in the gut of the cockroach is to prevent the regurgitation of partially digested food from
(a) Midgut into crop
(b) Pre-oral cavity
(c) Midgut into hindgut
(d) None of these

A

Mid-gut into crop

B

Preoral cavity

C

Mid-gut into hind-gut

D

None of these

Text Solution

Verified by Experts

The correct Answer is:
A
Mid-gut into crop
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Choose the correct combination a) Hepatic cacae - At the junction of forgut and mid gut externally b) Malphigian tubules - At the junction of mesenteron and hindgut externally c) Stomodeal value - prevent regurgitation from forgut to mesenteron d) Sphineter muscle - prevent regurgitation of undigested food from midgut to hindgut

The partially digested food that comes out of stomach is called (a) Chyle (b) Chyme (c) Bolus (d) Emulsified fat

Function of Malpighian tubules of cockroach : (a) Respiration (b) Digestion (c) Excretion (d) Reproduction

The CORRECT statement about the digestive system of cockroach are , I. The entire foregut of the cockroach is lined by the cuticle. II. The midgut is broader than the hindgut of the cockroach. III. The proventriculus of the cockroach has teeth for grinding food particles. IV. The digestive juice is secreted by 100 - 150 hepatic caeca present at the junction of foregut and midgut.

Physiological barriers that prevent microbial growth include all, except (a) Acid in stomach (b) Saliva in mouth (c) Mucus coating of the epithelium lining gut (d) Tears from eyes

Select the correct statement . (a) Salivery glands situated just outside the buccal cavity. (b) Liver is the largest digestive gland. (c ) Hepatic duct not aries from gall bladder. (d) Sphincter of oddi can regulate the released of pancreatic and bile duct in duodenum

Which of the folllowing statements regarding the skeleton are correct ? Please select all that apply. (a) The shaft of a long bone is called the diaphysis. (b) The "oraganic" "matrix" of bone is secreted by chondroblasts. (c) Dividing cartilage cells are situated in the marrow cavity of long bones (d) Bone remodelling is a function of the activty marrow cavity of long bones (e) The long bones develop from fibrous connective tissue (f) Most bones are formed by endochondral ossification of a hyaline cartilage model (g) The principal inorganic components of bones are calcium and phosphates.

AAKASH INSTITUTE ENGLISH-STRUCTURAL ORGANISATION IN ANIMALS (CONTD . . .) (ANIMAL MORPHOLOGY)-Assignment (Section-B)
  1. Structure that helps the cockroach to walk on smooth surfaces is (a) T...

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  2. The number of spiracles in Periplaneta americana is

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  3. The function of stomodeal valve in the gut of the cockroach is to prev...

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  4. Which of the two parts in cockroach are fundamentally similar in struc...

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  5. Ootheca in periplanata americana is secreted by

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  6. The movement of a gene from one linkage group to another is called

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  7. Conglobate organ is a part of male reproductive system of

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  8. The number of ganglia in the abdominal nerve-cord of cockroach is

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  9. The frog 's body is divisible into

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  10. Which of the following statement is not true?

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  11. Which of the following is present in the skin of frog? (a) Serous glan...

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  12. Total number of vertebrae in frog is

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  13. Which of the following vertebra is amphicoelous type in frog?

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  14. The digital formula for the hind limbs of frog is

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  15. Frog is

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  16. The capacity of amphibians to change color is called

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  17. Which is not true about frog?

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  18. Bidder's canal in frog is present in

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  19. During active period, maximum respiratory activity is through

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  20. How many lymph hearts are present in frog?

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