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.

101.

The function of connective tissue is to provide

A. support
B. movement
C. food
D. water
Answer» B. movement
102.

The domestic animals include

A. foxes
B. snakes
C. lions and tigers
D. sheep and cattle
Answer» E.
103.

The stable element formed as a result of bonding between different elements is known as

A. atoms
B. molecules
C. compounds
D. chemical atoms
Answer» C. compounds
104.

The famous scientist Abdul Malik Asmai was born in

A. 740 AD
B. 721 AD
C. 795 AD
D. 980 AD
Answer» B. 721 AD
105.

The protoplasm of living things is composed of water up to

A. 10%-80%
B. 20%-70%
C. 10%-90%
D. 80%-90%
Answer» E.
106.

The dilated part of alimentary canal is known as

A. kidneys
B. liver
C. stomach
D. lungs
Answer» D. lungs
107.

The sources of vitamin C does not includes

A. UV from Sun
B. beef liver
C. citrus fruits
D. leafy green vegetables
Answer» B. beef liver
108.

The disease in children which is caused by deficiency of vitamin D is

A. scurvy
B. anemia
C. rickets
D. insomnia
Answer» D. insomnia
109.

The minerals that are important for heart function, muscle contraction and nerve impulse transmission are

A. sodium, potassium and chloride
B. zinc, nickel and iron
C. boron, copper and zinc
D. Sulphur, iron and calcium
Answer» B. zinc, nickel and iron
110.

The excess of nitrogen fertilizers leads to

A. pest problems
B. growth problems
C. fruiting problems
D. flowering problems
Answer» B. growth problems
111.

The bolus is passed through the pharynx to enter into the

A. larynx
B. oral cavity
C. esophagus
D. epiglottis
Answer» D. epiglottis
112.

The nutrients that are used by humans include

A. minerals and vitamins
B. proteins and lipids
C. nucleon acids
D. all of above
Answer» E.
113.

The enzyme released in saliva which functions in semi-digestion of starch is called

A. bolus amylase
B. pharynx amylase
C. salivary amylase
D. bile amylase
Answer» D. bile amylase
114.

The space behind mouth which has important functions in the digestion process is called

A. alimentary canal
B. esophagus
C. oral cavity
D. buccal cavity
Answer» D. buccal cavity
115.

The protein which combines with proteins to form rhodopsin in rod cells of eye retina is

A. glycerol
B. insulin
C. pepsin
D. opsin
Answer» E.
116.

The period of rest in which daughter cells enters after meiosis I is

A. karyokinesis
B. cytokinesis
C. interkinesis
D. vacuokinesis
Answer» E.
117.

The time in cell cycle when the metabolic activity of cell is high is classified as

A. interphase
B. interphase
C. interphase
D. exophase
Answer» B. interphase
118.

The centrosomes are found by the duplication of

A. cristae
B. vacuoles
C. cytoplasm
D. centrioles
Answer» E.
119.

In anaphase I of meiosis, the chromosomes contains one pair of

A. daughter nucleosomes
B. sister nucleosomes
C. daughter chromatids
D. sister chromatids
Answer» E.
120.

The example of organisms that produces haploid gametes through mitosis includes

A. diploid hydra
B. haploid fungi
C. diploid algae
D. haploid flagella
Answer» C. diploid algae
121.

The length of ileum is

A. 2.5 meters
B. 3.5 meters
C. 1.5 meters
D. 2.9 meters
Answer» C. 1.5 meters
122.

The chemical compounds that are required in small amounts but vital for metabolism and normal growth are called

A. minerals
B. lipids
C. carbohydrates
D. vitamins
Answer» E.
123.

The place where feces is stored temporarily is called

A. caecum
B. colon
C. duodenum
D. rectum
Answer» E.
124.

The process of breaking complex molecules in more simple substances is called

A. ingestion
B. refraction
C. diffraction
D. digestion
Answer» E.
125.

The kind of malnutrition (MDD) stands for

A. malnutrition defect diseases
B. micro defect diseases
C. milk deficiency diseases
D. mineral deficiency diseases
Answer» E.
126.

Considering types of the electron microscope, the 'TEM' stands for

A. transmission electron microscope
B. transfusion electron microscope
C. transition electron microscope
D. nominal electron microscope
Answer» B. transfusion electron microscope
127.

The most abundant tissue found in animals is

A. cuboidal tissue
B. cardiac tissue
C. squamous tissue
D. muscle tissue
Answer» E.
128.

The distance between two points at which human eye can differentiate them from each other is called

A. resolution of human eye
B. magnification of human eye
C. up gradation of human eye
D. degradation of human eye
Answer» B. magnification of human eye
129.

The organelles which are single membrane and fluid-filled are called

A. lysosomes
B. vacuoles
C. granum centrioles
D. centrosome
Answer» C. granum centrioles
130.

The name of the British scientist who discovered the nucleus of the cell is

A. Robert Brown
B. Henry Adams
C. Bruce Alberts
D. Prospero Alpini
Answer» B. Henry Adams
131.

The disease which is caused by protein-energy malnutrition is

A. tuberculosis
B. marasmus
C. goiter
D. angina
Answer» C. goiter
132.

The trace minerals that support functions of the immune system are

A. calcium and sodium
B. zinc and iron
C. phosphorus and magnesium
D. potassium and sodium
Answer» C. phosphorus and magnesium
133.

The essential element for the maintenance and development of teeth and bones is

A. ethyl oxide
B. methyl alcohol
C. calcium
D. acetyl
Answer» D. acetyl
134.

The materials that if added to plants yields more flowers, more fruits, and faster growth are called

A. nutrients
B. bio-molecules
C. fertilizers
D. bio-chemicals
Answer» D. bio-chemicals
135.

The causes of ulcers include

A. long term use of aspirin
B. smoking
C. consuming spicy foods
D. all of above
Answer» E.
136.

All the enzymes are considered as

A. oxygen based acids
B. carbon based acids
C. nitrogen based acids
D. proteins
Answer» E.
137.

The optimum temperature of working of human enzymes is

A. 52 ° C
B. 47 ° C
C. 37 ° C
D. 42 ° C
Answer» D. 42 ° C
138.

The energy required in chemical reactions is called

A. solvent energy
B. activation energy
C. enzymatic energy
D. catalysis energy
Answer» C. enzymatic energy
139.

The vibrations of atoms of enzymes is increased and leads to the loss of

A. nucleated structure of atoms
B. solvent structure of enzymes
C. solute structure of enzymes
D. globular structure of enzymes
Answer» E.
140.

The catabolism is related to

A. release of energy
B. absorption of energy
C. release of water
D. absorption of water
Answer» B. absorption of energy
141.

Considering kingdom Protista, the algae resembles to plant cell because of the presence of

A. chlorophyll in chloroplasts
B. mitochondria in nucleus
C. Deoxyribonucleic Acid (DNA) material in nucleus
D. chromosomes in nucleus
Answer» B. mitochondria in nucleus
142.

The term used for species whose last individual has died in an ecosystem is called

A. endangered
B. global biodiversity
C. degradability
D. extinct
Answer» E.
143.

Considering the classification hierarchy, the group of related orders is known as

A. class
B. species
C. genus
D. family
Answer» B. species
144.

The kingdom which includes eukaryotic multicellular autotrophs is classified as a kingdom

A. Monera
B. Protista
C. Animalia
D. Plantae
Answer» E.
145.

The diversity is richer in the region of

A. south
B. tropical
C. west
D. polar
Answer» C. west
146.

The respiratory gases that are present in plasma are

A. helium and oxygen
B. nitrogen and oxygen
C. oxygen and carbon dioxide
D. hydrogen and oxygen
Answer» D. hydrogen and oxygen
147.

The outer side of guard cells is

A. concave
B. convex
C. rough
D. none of above
Answer» C. rough
148.

The transpiration in plants occurs through

A. cortex
B. phloem cells
C. stomata in leaves
D. xylem cells
Answer» D. xylem cells
149.

The blood groups of Rh-blood group systems includes

A. Rh-positive and Rh-negative
B. Rh-positive and Rh-negative
C. AB-positive and Rh-negative
D. Rh-positive and AB-negative
Answer» B. Rh-positive and Rh-negative
150.

The Heart Day is celebrated worldwide every year on

A. 28th March
B. 28th July
C. 28th August
D. 28th September
Answer» E.