Explore topic-wise MCQs in Grade9.

This section includes 1528 Mcqs, each offering curated multiple-choice questions to sharpen your Grade9 knowledge and support exam preparation. Choose a topic below to get started.

151.

The electrons of the Scanning Electron Microscope are reflected through

A. glass funnel
B. specimen
C. metal-coated surfaces
D. vacuum chamber
Answer» D. vacuum chamber
152.

The working principle in a light microscope is using

A. UV light
B. visible light
C. spectrum light
D. white light
Answer» C. spectrum light
153.

The thylakoid stack present in plastids is known as

A. glycogen
B. granum
C. nucleolus
D. ribosomes
Answer» C. nucleolus
154.

The relative concentration of the solute in a particular solution is classified as

A. hypotonic
B. turgidity
C. tonicity
D. hypertonic
Answer» D. hypertonic
155.

The ribosomes are composed of

A. mRNA
B. mDNA
C. rRNA
D. rDNA
Answer» D. rDNA
156.

The atoms present in elements are of

A. four kinds
B. three kinds
C. single kind
D. two kinds
Answer» D. two kinds
157.

The elements which take part in making the body mass are called

A. bio elements
B. compounds
C. complex elements
D. molecules
Answer» B. compounds
158.

The art of horticulture is dealt with art of

A. fish production
B. gardening
C. embroidery
D. none of above
Answer» C. embroidery
159.

Chickens and eggs are produced in

A. farms
B. industry
C. poultry farm
D. dairy farm
Answer» D. dairy farm
160.

The technique of production of animals is known as animal

A. breeding
B. reproduction
C. fertilization
D. growth
Answer» B. reproduction
161.

The first Muslim scientist who studied in animals in detail is

A. Jabir - bin- Hayan
B. Abdul Malik Asmai
C. Bu Ali Sina
D. Aristotle
Answer» C. Bu Ali Sina
162.

The branch of biology which deals with the study of plants is called

A. zoology
B. botany
C. microbiology
D. biotechnology
Answer» C. microbiology
163.

The organisms in which one cell is responsible for the life of an organism are called

A. biotic organisms
B. abiotic organisms
C. unicellular organisms
D. multicellular organisms
Answer» D. multicellular organisms
164.

In word atom, 'tom' stand for

A. cut
B. indivisible
C. infinite
D. break
Answer» B. indivisible
165.

Organisms having limited number and types of organelles are known as

A. prokaryotes
B. eukaryotes
C. protist
D. unicellular
Answer» B. eukaryotes
166.

The branch of biology which deals with the study of inheritance and genes is called

A. microbiology
B. genetics
C. anatomy
D. botany
Answer» C. anatomy
167.

Life is defined as 'the set of characteristics which distinguish living things from

A. non-living things
B. matter
C. atom
D. animals
Answer» B. matter
168.

The branch of biology which deals with the study of drugs and effects on the human body's system is classified as

A. cell biology
B. pharmacology
C. physiology
D. environmental biology
Answer» C. physiology
169.

The biology, zoology, and botany are major divisions of

A. physics
B. biology
C. chemistry
D. entomology
Answer» C. chemistry
170.

The study of diagnosis and treatment of diseases is done in

A. medicine only
B. surgery only
C. fisheries
D. medicine and surgery
Answer» E.
171.

The number of kinds of life which are known to scientists is

A. 1 million
B. 2 million
C. 3 million
D. 4 million
Answer» C. 3 million
172.

Gastric juice is secreted by

A. epithelial tissue
B. muscular tissue
C. contracting tissue
D. connective tissue
Answer» B. muscular tissue
173.

The professional study of fish production is known as

A. farming
B. agriculture
C. animal husbandry
D. fisheries
Answer» E.
174.

The branch of biology 'botany' deals with the study of

A. bones
B. microorganisms
C. animals
D. plants
Answer» E.
175.

In the word biology, the meaning of 'bios' is

A. thought
B. immune system
C. life
D. cells
Answer» D. cells
176.

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

A. winter
B. summer
C. spring
D. autumn
Answer» B. summer
177.

The inhabited part of Earth by living organism is called

A. biosphere
B. lithosphere
C. stratosphere
D. atmosphere
Answer» B. lithosphere
178.

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

A. immunology
B. histology
C. socio-biology
D. taxonomy
Answer» B. histology
179.

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

A. 16
B. 26
C. 36
D. 43
Answer» B. 26
180.

The stones in kidneys are removed by a technique called

A. renal surgery
B. dialysis
C. lithotripsy
D. farming
Answer» B. dialysis
181.

The examples of micro molecules include

A. glucose and lipids
B. proteins and water
C. water and glucose
D. water and starch
Answer» D. water and starch
182.

The examples of multicellular organisms are

A. frog only
B. mustard only
C. amoeba
D. frog and mustard
Answer» E.
183.

The common examples of unicellular organisms include

A. amoeba
B. Volvox
C. protozoa
D. none of above
Answer» B. Volvox
184.

The structures of living organisms are studied in the branch of biology which is called

A. morphology
B. botany
C. histology
D. biotechnology
Answer» B. botany
185.

The study of a new individual from a fertilized egg is done by

A. chemist
B. embryologists
C. pediatrics
D. scientists
Answer» C. pediatrics
186.

Protista includes organisms like

A. Euglena
B. Paramecium
C. green algae
D. all of above
Answer» E.
187.

The theory which is supported by experimental evidence is classified as

A. theory
B. hypotheses
C. law
D. alternative hypothesis
Answer» D. alternative hypothesis
188.

The instrumental part made by a biological method in scientific research is since

A. 400 years
B. 500 years
C. 600 years
D. 200 years
Answer» D. 200 years
189.

The kind of observations includes

A. qualitative observations only
B. quantitative observations only
C. colonial observations
D. qualitative and quantitative observations
Answer» E.
190.

Deductive and inductive reasoning can be drawn by

A. query
B. hypothesis
C. deduction
D. analysis
Answer» D. analysis
191.

The constant facts of nature are called a scientific

A. query
B. theory
C. hypothesis
D. law
Answer» E.
192.

The classification of bio-molecules includes

A. macro molecules only
B. micro molecules only
C. massive-molecules
D. macro and micro molecules
Answer» E.
193.

The part of a mustard plant which is used as the vegetable is classified as

A. roots
B. stems
C. plant body
D. seeds
Answer» D. seeds
194.

In the word biology, the meaning of 'logos' is

A. reasoning only
B. thought only
C. life
D. reasoning and thought
Answer» E.
195.

Tissues which act as contracting tissue are known as

A. nervous tissue
B. muscular tissue
C. contracting tissue
D. cardiac tissues
Answer» D. cardiac tissues
196.

The location of meristematic tissues is on the tip of

A. roots and shoots
B. leaves
C. stem
D. seed
Answer» B. leaves
197.

The myocardial infarction is also known as

A. diabetes
B. heart attack
C. cholesterol
D. hypertension
Answer» C. cholesterol
198.

The blood cells that are present in human body in numerous number are

A. blue blood cells
B. red blood cells
C. deoxygenated cells
D. white blood cells
Answer» C. deoxygenated cells
199.

In males, the number of red blood cells in one cubic millimeter of blood are

A. 5 to 5.5 million
B. 6 to 6.5 million
C. 1 to 2.5 million
D. 2 to 4 million
Answer» B. 6 to 6.5 million
200.

The heart attack occurs when there is blood clotting in

A. renal arteries
B. mesenteric arteries
C. hepatic arteries
D. coronary arteries
Answer» E.