Class 9 Biology MCQs - Chapter 7

Introduction to Biology Quiz Questions & Answers PDF Download - 39

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Introduction to Biology Exam Questions and Answers PDF Download: Test 39

MCQ 191:

The stones in kidneys are removed by a technique called

renal surgery
dialysis
lithotripsy
farming

MCQ 192:

Considering elements of nature, the number of bio-elements are

MCQ 193:

The branch of biology which deals with the study of the immunes system of animals is classified as

immunology
histology
socio-biology
taxonomy

MCQ 194:

The inhabited part of Earth by living organism is called

biosphere
lithosphere
stratosphere
atmosphere

MCQ 195:

The time of the year when the mustard plant is sown is

winter
summer
spring
autumn

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