Life Processes Class 10 MCQ with Answers pdf Download | Biology Quiz

Life Processes Class 10 MCQ with Answers pdf Download | Biology Quiz for the preparation of various examinations.

Life Processes Class 10 MCQ with Answers pdf Download | Biology Quiz


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Life Processes Class 10 MCQ with Answers

1 / 50

During respiration exchange of gases take place in

2 / 50

Blood from superior vena cava flows into

3 / 50

Name the substances whose build-up in the muscles during vigorous physical exercise may cause cramps?

4 / 50

Blood consist of what fluid medium?

5 / 50

The green colour of plants is due to the presence of

6 / 50

Lipase acts on

7 / 50

The internal (cellular) energy reserve in autotrophs is

8 / 50

Choose the correct path of urine in our body.

9 / 50

When air is blown from mouth into test-tube containing lime water, the lime water turned milky due to the presence of

10 / 50

In which of the following vertebrate groups/groups, heart does not pump oxygenated blood to different parts of the body?

11 / 50

In which part of the alimentary canal food is finally digested?

12 / 50

Single circulation, i.e., blood flows through the heart only once during one cycle of passage through the body, is exhibited by

13 / 50

A few drops of iodine solution were added to rice water. The solution turned blue-black in colour. This indicates that rice water contains

14 / 50

Which is the first enzyme to mix with food in the digestive tract?

15 / 50

If salivary amylase is lacking in the saliva, which of the following events in the mouth cavity will be affected?

16 / 50

Which is the correct sequence of parts in human alimentary canal?

17 / 50

Which of the following organisms absorbs nutrition with haustoria?

18 / 50

Rings of cartilage present in the throat ensure that

19 / 50

The inner lining of stomach is protected by one of the following from hydrochloric acid. Choose the correct one.

20 / 50

The opening and closing of the stomatal pore depends upon

21 / 50

Lack of oxygen in muscles often leads to cramps among cricketers. This result is due to

22 / 50

Raw materials required in the autotrophic mode of nutrition involves:
(i) Carbon dioxide and water (ii) Chlorophyll (iii) Nitrogen (iv) Sunlight

23 / 50

Among the following choose the correct option which includes the organisms that have a holozoic mode of nutrition:

24 / 50

The enzymes pepsin and trypsin are secreted respectively by

25 / 50

Which of the following is not a digestive enzyme contained in the pancreatic juice?
(i) Lipase (ii) Hydrochloric acid (iii) Mucus (iv) Trypsin

26 / 50

The process by which Amoeba obtains food is called

27 / 50

Movement of the synthesized products from the leaves to the roots and other parts of a plant’s body takes place through the phloem. This process is known as

28 / 50

The vein which brings clean blood from the lungs into the heart is known as

29 / 50

Sometimes we get painful cramps in our leg muscles after running for a long time due to the accumulation of

30 / 50

Which of the following help in protecting the inner lining of the stomach from the harmful effect of hydrochloric acid?

31 / 50

The enzymes in pancreatic juice help in the digestion of

32 / 50

Temporary finger-like extensions on Amoeba are called

33 / 50

Plants use the energy stored in ATP to accomplish the process of transportation of

34 / 50

The excretory unit of the human excretory system is known as

35 / 50

Which among the following procedures is used for cleaning the blood of a person by separating the waste substance from it?

36 / 50

During deficiency of oxygen in tissues of human beings, pyruvic acid is converted into lactic acid in the

37 / 50

The site of photosynthesis in the cells of a leaf is

38 / 50

Roots of the plants absorb water from the soil through the process of

39 / 50

The mode of nutrition found in fungi is

40 / 50

In which mode of nutrition does an organism derive its food from the body of another living organism without killing it?

41 / 50

Which among the following is necessary to carry out the blood coagulation in a cut or wound?

42 / 50

What are the products obtained by anaerobic respiration in plants?

43 / 50

The exit of unabsorbed food material is regulated by

44 / 50

The contraction and expansion movement of the walls of the food pipe is called

45 / 50

Which region of the alimentary canal absorbs the digested food?

46 / 50

In Amoeba, food is digested in the

47 / 50

The respiratory pigment in human beings is

48 / 50

Name the pores in a leaf through which respiratory exchange of gases takes place

49 / 50

The glycolysis process occurs in which part of the cell?

50 / 50

The breakdown of pyruvate to give carbon dioxide, water and energy takes place in

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