Home
Class 12
BIOLOGY
Assertion: The pharyngeal gland of earth...

Assertion: The pharyngeal gland of earthworm includes chromophil cells, which secrete sativa.
Reason: Salivary amylase of earthworm is essential to digest carbohydrates.

A

IF both assertion & Reason are true and the rason is the correct explanation of the assertion

B

If both assertion & reason are true but the reason is not the correct explanation of the assertion, then mark

C

If assertion is true statement but reason is false, then mark

D

if both assertion and reason are false statement

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Topper's Solved these Questions

  • ANIMAL KINGDOM (CHORDATES)

    AAKASH INSTITUTE|Exercise Assignment (Section-C)|47 Videos

  • ANATOMY OF FLOWERING PLANTS

    AAKASH INSTITUTE|Exercise Section D Assertion-Reason Type Questions|10 Videos

  • ANIMAL KINGDOM (GENERAL ACCOUNTS & NON-CHORDATES)

    AAKASH INSTITUTE|Exercise Assignment (Section-D)|10 Videos

Similar Questions

Explore conceptually related problems

Assertion : Pharyngeal nephridia play a role in the conservation of water in the earthworm. Reason : They help the earthworm in keeping the skin moist for cutancous respiration.

Which cell or gland of earthworm provides the nutrition to unfertilize eggs?

Read the assertion and reason carefully to mark the correct option out of the option given below: Assertion: The main part of carbohydrate digestion takes place in small intestine. Reason : Here pancreatic amylase converts carbohydrates into lactose.

Assertion: Saliva is a secretion of salivary gland. Reason: Saliva is a mixture of water and electrolytes, derived from blood plasma.

Chromophil cells present on pharynx of Earthworm take part in secretion of

Assertion Chloragogen cells behave like vertebrate liver. Reason Chloragogen cells are present in earthworm.

Assertion: The slight, smell and presence of good in the oral cavity can stimulate secretion of saliva. Reason: About 70 per cent of the starch is hydrolyzed in oral cavity by salivary amylase.

Correct the following statements by deleting one of enteries (given in bold). (a) Goblet cells are located in intestinal mucosal epithelium and secrete chymotrypsin/mucus. (b) Fats are brokendown into di and monoglycerides with the help of amylase/lipases. (c) Gastric glands of stomach mucosa have oxyntic cells/chief cells which secrete HCI. (d) Saliva contains enzyme that digests starch/protein.

Correct the following statements by deleting one of entries (given in bold). (a) Goblet cells are located in the intestinal mucosal epithelium and secrete chymotrypsin/mucus. (b) Fats are broken down into di-and monoglyceridea with the help of amylase/lipases. (c) Gastric glands of stomach mucosa have oxyntic cell/chief cells which secrete HCL. (d) Saliva contains enzymes that digest starch/protein

Assertion: Mucosal epithelium of gut has goblet cells which secrete mucus. Reason: The mucus in the gastric and pancreatic juice protects the mucosa from excoriation by acidic secretion.