MCQ Class 10 Science Life Processes with Answers

CBSE Class 10 Science Chapter 6 Life Processes Multiple Choice Questions with Answers. MCQ Class 10 Science Life Processes with Answers was Prepared Based on Latest Exam Pattern. Students can solve NCERT Class 10 Science Life Processes MCQs with Answers to know their preparation level.

Multiple Choice Questions - Set - 2

Question 1: 

The respiratory pigment in human beings is:

(a) carotene

(b) chlorophyll

(c) haemoglobin

(d) mitochondria

Correct Answer – (C)

Question 2 : 

What are the products obtained by anaerobic respiration in plants?

(a) Lactic acid + Energy

(b) Carbon dioxide + Water + Energy

(c) Ethanol + Carbon dioxide + Energy

(d) Pyruvate

Correct Answer – (C)

Question 3 : 

In which of the following groups of organisms, food materials are broken down outside the body and absorbed?

(a) Mushroom, green plants, Amoeba

(b) Yeast, mushroom, bread mould

(c) Paramecium, Amoeba, Cuscuta

(d) Cuscuta, lice, tapeworm

Correct Answer – (B)

Question 4 : 

Choose the correct path of urine in our body
(a) kidney → ureter → urethra → urinary bladder
(b) kidney → urinary bladder → urethra → ureter
(c) kidney → ureters → urinary bladder → urethra
(d) urinary bladder → kidney → ureter → urethra

Correct Answer – (C)

Question 5 : 

Which is the first enzyme to mix with food i the digestive tract?
(a) Pepsin
(b) Cellulose
(c) Amylase
(d) Trypsin

Correct Answer – (C)

Question 6 : 

When a few drops of iodine solution are added to rice water, the solution turns blue- black in colour. This indicates that rice water contains:

(a) fats

(b) complex proteins

(c) starch

(d) simple proteins

Correct Answer – (C)

Question 7 : 

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

(a) translocation

(b) transpiration

(c) peristaltic movement

(d) digestion

Correct Answer – (C)

Question 8 : 

In amoeba, food is digested in the:

(a) food vacuole

(b) mitochondria

(c) pseudopodia

(d) chloroplast

Correct Answer – (A)

Question 9 : 

Lack of oxygen in muscles often leads to cramps among cricketers. This results due to
(a) conversion of pyruvate to ethanol
(b) conversion of pyruvate to glucose
(c) non conversion of glucose to pyruvate
(d) conversion of pyruvate to lactic acid

Correct Answer – (D)

Question 10 : 

Which of the following equations is the summary of photosynthesis?
(a) 6CO2 + 12H2O → C6H12O6 + 6O2 + 6H2O
(b) 6CO2 + H2O + Sunlight → C6H12O6 + O2 + 6H2O
(c) 6CO2 + 12H2O + Chlorophyll + Sunlight → C6H12O6 + 6O2 + 6H2O
(d) 6CO2 + 12H2O + Chlorophyll + Sunlight → C6H12O6 + 6CO2 + 6H2O

Correct Answer – (C)

Multiple Choice Questions – Chapter 5 – Periodic Classification of Elements

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