Recent questions tagged class 7

The kinetic energy of a substance is due to the _______ of the atoms contained in it.

asked Oct 30, 2017 by priyanka.c

1 answer

Which of the following is not a source of waste water?

asked Sep 13, 2017 by priyanka.c

0 answers

In a filtration plant water is filtered using layer of

asked Sep 13, 2017 by priyanka.c

1 answer

Which of the following is a part of inorganic impurities of the sewage?

asked Sep 13, 2017 by priyanka.c

1 answer

Which of the following inhibits the seepage of rainwater into ground?

asked Sep 13, 2017 by priyanka.c

1 answer

Water cycle does not involve which of the following?

asked Sep 13, 2017 by priyanka.c

2 answers

Pollination refers to the

asked Sep 13, 2017 by priyanka.c

1 answer

Which of the following statements is/are true for sexual reproduction in plants? (i) Plants are obtained from seeds (ii) Two plants are always essential (iii) Fertilisation can occur only after pollination (iv) Only insects are agents of pollination Choose from the options given below

asked Sep 13, 2017 by priyanka.c

2 answers

Aquatic animals like fish excrete their wastes in gaseous form as

asked Sep 13, 2017 by priyanka.c

1 answer

Choose the odd one from the following options:

asked Sep 13, 2017 by priyanka.c

1 answer

The coldest region on earth is the

asked Sep 13, 2017 by priyanka.c

1 answer

Cud is the name given to the food of ruminants which is

asked Sep 13, 2017 by priyanka.c

1 answer

The enzymes present in the saliva convert

asked Sep 13, 2017 by priyanka.c

1 answer

The false feet of Amoeba are used for

asked Sep 13, 2017 by priyanka.c

1 answer

Which of the following raw material is available in the air for photosynthesis?

asked Sep 13, 2017 by priyanka.c

1 answer

Two organisms are good friends and live together. One provides shelter, water and nutrients while the other prepares and provides food. Such an association of organisms is termed as

asked Sep 13, 2017 by priyanka.c

1 answer

The system of a network of pipes used for taking away wastewater from homes or public buildings to the treatment plant is known as

asked Sep 13, 2017 by priyanka.c

1 answer

Pick from the following one chemical used to disinfect water

asked Sep 13, 2017 by priyanka.c

1 answer

Forests are not responsible for

asked Sep 13, 2017 by priyanka.c

1 answer

Which of the products is not obtained from a forest?

asked Sep 13, 2017 by priyanka.c

1 answer

"Every Drop Counts" is a slogan related to

asked Sep 13, 2017 by priyanka.c

1 answer

Which type of soil dries out quickly after a rain?

asked Sep 13, 2017 by priyanka.c

1 answer

The amount of water recommended by the United Nations for drinking, washing, cooking and maintaining proper hygiene per person per day is a minimum of

asked Sep 13, 2017 by priyanka.c

2 answers

The ovaries of different flowers may contain

asked Sep 13, 2017 by priyanka.c

1 answer

The 'eyes' of the potato plant is what

asked Sep 13, 2017 by priyanka.c

1 answer

In which of the following parts of human body are sweat glands absent?

asked Sep 13, 2017 by priyanka.c

1 answer

Read the following environmental conditions of tropical rain forests. (i) Hot and humid climate (ii) Unequal lengths of days and night (iii) Abundant rain fall (iv) Abundant light and moisture Identify the conditions from the above list that are responsible for the presence of large number of plants and animals in tropical rain forests.

asked Sep 13, 2017 by priyanka.c

1 answer

Which of the following statement is incorrect for penguins?

asked Sep 13, 2017 by priyanka.c

1 answer

Read the following statements with reference to the villi of small intestine. (i) They have very thin walls. (ii) They have a network of thin and small blood vessels close to the surface. (iii) They have small pores through which food can easily pass. (iv) They are finger-like projections. Identify those statements which enable the villi to absorb digested food.

asked Sep 13, 2017 by priyanka.c

1 answer

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

asked Sep 13, 2017 by priyanka.c

1 answer

When we observe the lower surface of a leaf through a magnifying lens we see numerous small openings. Which of the following is the term given to such openings?

asked Sep 13, 2017 by priyanka.c

1 answer

Water polluted by various human activities causes a number of water borne diseases. Which of the following is not a water borne disease?

asked Sep 13, 2017 by priyanka.c

1 answer

Open drain system is a breeding place for which of the following?

asked Sep 13, 2017 by priyanka.c

1 answer

The branchy part of a tree above the stem is known as

asked Sep 13, 2017 by priyanka.c

1 answer

Pick the option which gives the names of a tree and an animal, respectively from the following.

asked Sep 13, 2017 by priyanka.c

1 answer

The end product of fat digestion is

asked Sep 13, 2017 by priyanka.c

1 answer

Which of the following is not the name of a tree?

asked Sep 13, 2017 by priyanka.c

1 answer

On which of the following day is World Water Day observed?

asked Sep 13, 2017 by priyanka.c

1 answer

Which of the following is a way to use water economically?

asked Sep 13, 2017 by priyanka.c

1 answer

Seeds of drumstick and maple are carried to long distances by wind because they possess

asked Sep 13, 2017 by priyanka.c

1 answer

The absorption of nutrients and exchange of respiratory gases between blood and tissues takes place in -

asked Sep 13, 2017 by priyanka.c

1 answer

Earthworms and frogs breathe through their skin because of which the skin of both the organisms is

asked Sep 13, 2017 by priyanka.c

1 answer

Read the following statements with reference to soil. (i) Weathering is a very fast process of soil formation (ii) Percolation of water is faster in sandy soils (iii) Loamy soil contains only sandy and clay (iv) Top soil contains the maximum amount of humus Choose the correct statement from the above.

asked Sep 13, 2017 by priyanka.c

1 answer

Priya went to a wildlife sanctuary where she saw dense vegetation of trees, shrubs, herbs and also a variety of animals like monkeys, birds, elephants , snakes, frogs, etc.The most likely location of this sanctuary is in the-

asked Sep 13, 2017 by priyanka.c

1 answer

The acid present in the stomach

asked Sep 13, 2017 by priyanka.c

1 answer

The term that is used for the mode of nutrition in yeast, mushroom and bred mould is

asked Sep 13, 2017 by priyanka.c

1 answer

The final product of protein digestion is

asked Sep 13, 2017 by priyanka.c

1 answer

Which of the following is/are products of wastewater treatment?

asked Sep 13, 2017 by priyanka.c

3 answers

Sewage is mainly a

asked Sep 13, 2017 by priyanka.c

1 answer

Which of the following is not prepared from the wood obtained from forest?

asked Sep 13, 2017 by priyanka.c

1 answer

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