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Life Process - MCQ Test, Class 10 Science

30 Questions MCQ Test | Life Process - MCQ Test, Class 10 Science

Description

This mock test of Life Process - MCQ Test, Class 10 Science for Class 10 helps you for every Class 10 entrance exam. This contains 30 Multiple Choice Questions for Class 10 Life Process - MCQ Test, Class 10 Science (mcq) to study with solutions a complete question bank. The solved questions answers in this Life Process - MCQ Test, Class 10 Science quiz give you a good mix of easy questions and tough questions. Class 10 students definitely take this Life Process - MCQ Test, Class 10 Science exercise for a better result in the exam. You can find other Life Process - MCQ Test, Class 10 Science extra questions, long questions & short questions for Class 10 on EduRev as well by searching above.

QUESTION: 1

Which of these is not a raw material for photosynthesis?

A.
Carbon dioxide
B.
Water
C.
Oxygen
D.
None of these

Solution:

QUESTION: 2

Chlorophyll, xanthophylls and Carotene are

A.
enzymes
B.
pigments
C.
hormones
D.
gases

Solution:

QUESTION: 3

Carbohydrates in the plants are stored in the form of

A.
Glycogen
B.
Starch
C.
Glucose
D.
Maltose

Solution: Because during inhalation and exhalation the lungs always contain a residual volume of air so to get sufficient time for the oxygen to be absorbed and carbon dioxide to be released.

QUESTION: 4

What is the mode of nutrition in fungi?

A.
parasitic
B.
Heterotrophic
C.
saprophytic
D.
Autotrophic

Solution: Fungi has a saprophytic mode of nutrition as fungi takes their food from dead organisms.

QUESTION: 5

Which of the following element is essential for the formation of protein

A.
Ca
B.
N
C.
Fe
D.
Na

Solution:

QUESTION: 6

Match the following with correct response.
(1) The red colour of human blood
(2) The pigment which absorbs solar energy
(3) The largest gland of human body
(4) Pumping organ of the body

(A) Chlorophyll
(B) Heart
(C) Liver
(D) Hemoglobin

A.
1-B, 2-D, 3-A, 4-C
B.
1-C, 2-B, 3-D, 4-A
C.
1-D, 2-A, 3-C, 4-B
D.
1-A, 2-C, 3-B, 4-D

Solution:

QUESTION: 7

Which of these juices is secreted by pancreas?

A.
Trypsin
B.
Pepsin
C.
Bile juice
D.
Both I and II

Solution:

The pancreas secretes pancreatic juice which contains enzymes like trypsin for digesting proteins and lipase for breaking down emulsified fats.

QUESTION: 8

Factor not affecting photosynthesis is

A.
Carbon dioxide concentration in air
B.
Temperature
C.
Light intensity
D.
Wind velocity

Solution:

QUESTION: 9

Which of the following does not respire through lungs?

A.
whale
B.
Duck
C.
frog
D.
tadpole

Solution:

QUESTION: 10

Match the following with correct response.
(1) Flatworms
(2) Arthropods
(3) Earthworm
4) Mammals

(A) Nephridia
(B) Flame cells
(C) Kidney
(D) Malpighian tubules

A.
1-D, 2-A, 3-C, 4-B
B.
1-C, 2-B, 3-D, 4-A
C.
1-B, 2-D, 3-A, 4-C
D.
1-A, 2-C, 3-B, 4-D

Solution:

QUESTION: 11

The air passing through the nostrils in humans is filtered by:

A.
Mucus and innermost surface of nostrils
B.
Fine hairs and innermost surface of nostrils
C.
Fine hairs, mucus and innermost surface of nostrils
D.
Mucus and fine hairs in the nostrils

Solution:

QUESTION: 12

When leaf of a normal plant is boiled in the ethanol and treated with iodine its color changes to:

A.
Pink
B.
Blue black
C.
Black
D.
Orange

Solution:

QUESTION: 13

Two chambered heart is found:

A.
Fish, amphibians, and reptiles
B.
Only in amphibians
C.
Fish and amphibians
D.
Only in fish

Solution:

QUESTION: 14

The build-up of lactic acid in muscles can lead to:

A.
Cramps
B.
Cancer
C.
diabetes
D.
Malnutrition

Solution:

QUESTION: 15

Where does the oxygen liberated during photosynthesis come from?

A.
H₂O
B.
CO₂
C.
both CO₂ and H₂O
D.
None of these

Solution:

QUESTION: 16

Which component of blood transports, carbon dioxide and nitrogenous wastes in dissolved form

A.
WBC
B.
Platelets
C.
RBC
D.
Plasma

Solution:

QUESTION: 17

The energy rich compound produced through respiration is

A.
ATP
B.
Pyruvic acid
C.
ADP
D.
AMP

Solution:

QUESTION: 18

Match the following with correct response.
(1) The tissues transporting water is plants
(2) Translocation of food
(3) Glomerulus
(4) Excretory product in amoeba

(A) Amoeba
(B) Phloem
(C) Xylem
(D) A part of nephron

A.
1-B, 2-D, 3-A, 4-C
B.
1-A, 2-C, 3-B, 4-D
C.
1-D, 2-A, 3-C, 4-B
D.
1-C, 2-B, 3-D, 4-A

Solution:

QUESTION: 19

Name the enzyme present in human saliva

A.
Lipase
B.
Pepsin
C.
Peptidase.
D.
Ptyalin

Solution:

Saliva contains the enzyme amylase, also called ptyalin, which is capable of breaking down starch into simpler sugars such as maltose and dextrin that can be further broken down in the small intestine. About 30% starch digestion takes place in the mouth cavity.

QUESTION: 20

The final product of glycolsis is

A.
Malic acid
B.
glucose
C.
Pyruvic acid
D.
Acetyl COA

Solution: Glycolysis is a process that takes place in the cytoplasm of the cell where glucose (6-carbon compound) break into pyruvate/pyruvic acid(3-carbon compound).so the final product of glycolysis is pyruvate/pyruvic acid.

QUESTION: 21

During the process of photosynthesis carbon dioxide is

A.
Reduced
B.
Oxidized and reduced simultaneously
C.
Dehydrated
D.
Oxidized

Solution:

QUESTION: 22

Which contains less nitrogenous waste ?

A.
Pulmonary artery
B.
renal vein
C.
Pulmonary vein
D.
renal artery

Solution:

QUESTION: 23

A healthy person can inhale up to …………… litres of air in one breath

A.
2 litres
B.
6 litres
C.
4 litres
D.
1 litres

Solution:

QUESTION: 24

Match the following with correct response.
(1) Tissue fluid
(2) Atria
(3) Alveoli
(4) Functional unit of kidney

(A) Lymph
(B) a surface for gaseous exchange
(C) Chamber of the heart
(D) Nephron

A.
1-C, 2-B, 3-D, 4-A
B.
1-D, 2-A, 3-C, 4-B
C.
1-B, 2-D, 3-A, 4-C
D.
1-A, 2-C, 3-B, 4-D

Solution:

QUESTION: 25

The ribs move down and inwards during:

A.
Inhalation
B.
Digestion
C.
Excretion
D.
Exhalation

Solution:

During exhalation, ribs move down and inwards, while diaphragm move upwards and relaxes. This reduces the size of the chest cavity and air is pushed out of the lungs.

QUESTION: 26

During photosynthesis, light energy from the sun is absorbed by:

A.
Mitochondria
B.
Guard cell
C.
Chlorophyll
D.
Stomata

Solution:

QUESTION: 27

Heart pumps blood more forcefully in older persons than younger ones due to

A.
Decrease in oxygen content of blood
B.
Decrease in elasticity of arteries
C.
Fall in nutrient content of blood
D.
Increase in elasticity of arteries

Solution:

QUESTION: 28

Which of the following is the common passage for both digestive and respiratory systems?

A.
Larynx
B.
Oesophagus
C.
Pharynx
D.
Trachea

Solution:

QUESTION: 29

Which is the vestigial part of human alimentary canal?

A.
pineal gland
B.
Vermiform appendix
C.
thymus gland
D.
None of these

Solution:

QUESTION: 30

Name the organ involved in the process of ingestion in the case of Amoeba

A.
Pseudopodia
B.
Tongue
C.
Tentacles
D.
None of these

Solution:

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Life Process - MCQ Test, Class 10 Science

30 Questions MCQ Test | Life Process - MCQ Test, Class 10 Science

Which of these is not a raw material for photosynthesis?

Chlorophyll, xanthophylls and Carotene are

Carbohydrates in the plants are stored in the form of

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