Thursday, 26 August 2021

                                  Class- VII



Question 1.

Bile is produced in

(a) Gall bladder

(b) Blood

(c) Liver

(d) Spleen


Question 2.

The false feet of Amoeba are used for:

(a) movement only

(b) capture of food only

(c) capture of food and movement

(d) exchange of gases only


Question 3

The finger-like outgrowths of Amoeba helps to ingest food. However, the finger-like outgrowths of human intestine helps to:

(a) digest the fatty food substances

(b) make the food soluble

(c) absorb the digested food

(d) absorb the undigested food


Question 4.

The main function of the lacteals of intestine is the absorption of

(a) amino acids

(b) glucose and vitamins

(c) lactic acid

(d) fatty acids and glycerol


Question 5.

Which is not digested by human?

(a) Protein

(b) Fats

(c) Glucose

(d) Cellulose


Question 6.

Read carefully the terms given below. Which of the following set is the correct combination of organs that do not carry out any digestive functions?

(a) Oesophagus, Large Intestine, Rectum

(b) Buccal Cavity, Oesophagus, Rectum

(c) Buccal Cavity, Oesophagus, Large Intestine

(d) Small Intestine, Large Intestine, Rectum


Question 7.

The acid present in the stomach:

(a) kills the harmful bacterial that may enter along with the food.

(b) protects the stomach lining from harmful substances.

(c) digests starch into simpler sugars.

(d) both a and c


.Question 8

The enzymes predsent in the saliva convert:

(a) fats into fatty acids and glycerol

(b) starch into simple sugars

(c) proteins into amino acids

(d) complex sugars into simple sugars


.Question 9

The component of food which is complex is

(a) protein

(b) carbohydrate

(c) fat

(d) all of these


Question 10.

The breakdown of complex components of food into simpler substances is called

(a) ingestion

(b) egestion

(c) assimilation

(d) digestion


Question 11.

The way of taking food by bees is

(a) swallowing

(b) sucking

(c) filtering

(d) none of these


Question 12.

From where do we take in food?

(a) Anus

(b) Mouth

(c) Stomach

(d) Oesophagus


Question 13.

The process of taking food in the body is known as

(a) egestion

(b) ingestion

(c) digestion

(d) assimilation


Question 14.

The glands of mouth which secrete saliva are

(a) salivary glands

(b) pancreas

(c) lungs

(d) liver


Question 15.

Starch is broken down into sugars by the action of

(a) saliva

(b) bile juice

(c) hydrochloric acid

(d) all of these





II



Question 1.

Which one of the following is not a breed of sheep?

(a) Murrah

(b) Marwari

(c) Lohi

(d) Nali


Question 2.

What is the scientific name of mulberry tree?

(a) Magnifera indica

(b) Morus alba

(c) Desmodium girence

(d) None of these



Question 3.

Silk is derived from

(a) cocoon

(b) pupa

(c) egg

(d) moth


Question 4.

Selective breeding is a process of

(a) selecting the offspring with desired properties.

(b) selecting the parents with desired properties.

(c) selecting an area for breeding.

(d) selecting fine hair for good quality wool.



Question 5.

The general process that takes place at a sheep shearing shed is:

(a) removal of fleece.

(b) separating hair of different textures.

(c) washing of sheep fibre to remove grease.

(d) rolling of sheep fibre into yam.




Question 6.

The rearing of silkworms for obtaining silk is called:

(a) cocoon

(b) silk

(c) sericulture

(d) silviculture


Question 7.

Which of the following is not a type of silk?

(a) Mulberry silk

(b) Tassar silk

(c) Mooga silk

(d) Moth silk


Question 8.

Paheli wanted to buy a gift made of animal fibre obtained without killing the animal. Which of the following would be the right gift for her to buy?

(a) Woollen shawl

(b) Silk scarf

(c) Animal fur cap

(d) Leather jacket


Question 9.

Silk fibre is obtained from:

(a) fleece of sheep

(b) cotton ball

(c) cocoon

(d) shiny jute stalk


Question 10.

Wool fibre cannot be obtained from which of the following?

(a) Goat

(b) Llama

(c) Alpaca

(d) Moth


Question 11.

Which one of the following is a wool-yielding animal?

(a) Sheep

(b) Angora goat

(c) Camel

(d) All of these


Question 12.

Which of the following is not a wool-yielding animal?

(a) Goat

(b) Yak

(c) Sheep

(d) None of these


Question 13.

Yak wool is common in

(a) india

(b) america

(c) tibet

(d) china


Question 14.

The caterpillars of silkworms feed on

(a) peepal leaves

(b) grass

(c) rose leaves

(d) mulberry leaves


Question 15.

Silkworms secrete fibre made of

(a) fat

(b) cellulose

(c) protein

(d) starch



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