Science : Ch 06 – Life Processes

This test is designed based on NCERT Syllabus for Class 10 Topics : Life Processes

Each time random 15 questions will be displaced
So retake the quiz till you have mastered all the questions

1 / 15

Pseudopodia are:

Small hair-like structures present on unicellular organisms.

False feet developed in some unicellular organisms

Long, tube-like structures coming out of the mouth

Suckers which are attached to the walls of the intestines. glomerulus and tubular region (Renal tubule). Glucose, amino acids and salts are selectively reabsorbed in tabular region

2 / 15

A few drops of iodine solution were put on to rice water. The solution turned blue-black in colour. This specify that the rice water contains:

Complex proteins

Simple proteins

Cats

Starch

3 / 15

Anaerobic process:

Takes place in yeast during fermentation.

Takes place in the presence of oxygen.

Produces only energy in the muscles of human beings.

Produces ethanol, oxygen and energy.

4 / 15

Which one of the following declaration is accurate about the human circulatory system?

Blood transports only oxygen and not carbon dioxide.

Human heart has five chambers.

Valves ensure that the blood does not flow backwards

Both oxygen-rich and oxygen-defcient blood gets mixed in the heart.

5 / 15

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

Proteins breaking down into amino acids

Starch breaking down into sugars

Cats breaking down into fatty acids and glycerol.

Absorption of vitamins

6 / 15

Which of the subsequent statement(s) is/are true about heart?

2 and 4

1 and 3

2 and 4

1 and 4

7 / 15

The blood leaving the tissues becomes richer in:

Carbon dioxide

Water

Haemoglobin

Oxygen

8 / 15

The red pigment which carries oxygen in the blood.

Haemoglobin

Platelets

Veins

Capillaries

9 / 15

How many chambers are there in the heart of an amphibian?

2

3

4

6

10 / 15

If human urine is allowed to stand for sometime, it smells of ammonia, why?

Urea present in urine gets decomposed into ammonia by the action of bacteria

Urea present in urine gets decomposed into ammonia by the action of virus.

Urea present in urine gets composed into ammonia by the action of bacteria

none of these

11 / 15

The ways in which glucose is oxidized to provide energy in various organisms

Aerobic respiration

Anaerobic Respiration

Aerobic & Anaerobic

none of these

12 / 15

The rings of cartilage present in the throat ensure that the air passage

gets destroyed

collapse

does not collapse

none of these

13 / 15

Bowman’s capsules of nephrons acts as

transfer of urea

ultra filters

both 1 & 2

none of these

14 / 15

What does a low hemoglobin level mean?

referred to as low red blood count.

referred to as high red blood count.

referred to as low/high red blood count.

none of these

15 / 15

Name an enzyme present in pancreatic juice

Trypsin

lipase

lipase & Trypsin

none of these

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Science : Ch 06 – Life Processes

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