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.

351.

The kind of malnutrition (OIN) stands for

A. oral-intake of nutrients
B. oral-intake of nitrogen
C. over-intake of nutrients
D. oral-interval of nitrogen
Answer» D. oral-interval of nitrogen
352.

The pear-shaped sac which lies along lobe of liver on the ventral side is called

A. buccal cavity
B. oral cavity
C. urinary bladder
D. gall bladder
Answer» E.
353.

The gas emitted from inorganic fertilizers is

A. chlorine gas
B. nitrous gas
C. ammonia gas
D. hydrogen gas
Answer» D. hydrogen gas
354.

Cassia Fistula is scientific name of

A. potato
B. man
C. tomato
D. amaltas
Answer» E.
355.

The nutritional mode of plants in kingdom plantae is

A. photosynthetic
B. ingestive
C. autotrophic
D. absorptive
Answer» D. absorptive
356.

The example of organisms of kingdom plantae includes

A. ferns and mosses
B. algae and fungi
C. Volvox and fungi
D. ferns and Volvox
Answer» B. algae and fungi
357.

The order name to which pea plant belongs is

A. oomycote
B. fabales
C. Myxomycota
D. Ascomycota
Answer» C. Myxomycota
358.

The variety among species and within species is classified as

A. diversity
B. deduction
C. reduction
D. informatics
Answer» B. deduction
359.

The phase in which the cell enters after completion of G2 phase is

A. chromatin phase
B. prophase
C. vascular phase
D. division phase
Answer» E.
360.

The phase of meiosis in which chromosomes pairs are aligned to form the metaphase plate is called

A. metaphase I
B. anaphase I
C. telophase I
D. prephase I
Answer» B. anaphase I
361.

The tubulin proteins are joined together in prophase of mitosis to form

A. micro vessels
B. microtubules
C. micro nucleus
D. micro vacuoles
Answer» C. micro nucleus
362.

The errors in mitotic control results in

A. cancer
B. diabetes
C. heart attack
D. kidney failure
Answer» B. diabetes
363.

The chromosomes are uncoiled in telophase I into the

A. lysosomes
B. ribosomes
C. chromatin
D. nucleosome
Answer» D. nucleosome
364.

The viruses are considered as non-living organisms because of

A. crystalline nature
B. presence of chitin
C. absence of chloroplasts
D. absence of polysaccharides
Answer» B. presence of chitin
365.

The name of the kingdom to which pea plant belongs is

A. plantae
B. protists
C. fungi
D. Animalia
Answer» B. protists
366.

Variation among the species or within the species is known as

A. diversity
B. biological change
C. taxonomic change
D. global variation
Answer» B. biological change
367.

Which is true about viruses?

A. unicellular
B. multicellular
C. acellular
D. bicellular
Answer» D. bicellular
368.

The national bird of United States is

A. dove
B. crow
C. bald eagle
D. teeter
Answer» D. teeter
369.

In the Krebs cycle phase of aerobic respiration, the molecules of pyruvic acid are

A. completely metabolize
B. completely oxidized
C. completely anatomize
D. completely catabolize
Answer» C. completely anatomize
370.

In the electron-transport chain, the electrons and hydrogen ions are released by

A. ADH and FADH2
B. ATP and FADH2
C. NADH and FADH2
D. ADH and NADH2
Answer» D. ADH and NADH2
371.

The anaerobic respiration can be classified into

A. lactic acid fermentation only
B. alcoholic fermentation only
C. nitrogenous fermentation
D. lactic acid and alcoholic fermentation
Answer» E.
372.

The reactions by which C-H bonds of fuel molecules are broken down are called

A. dilute-concentrated reactions
B. light-dark reactions
C. solute-solvent reactions
D. oxidation-reduction reactions
Answer» E.
373.

If the left-hand side of the chemical equation is ATP + water then the right-hand side of that chemical equation is equal to

A. PDA + CI + energy
B. ATP + TI + energy
C. ADP - DI + energy
D. ADP + PI + energy
Answer» E.
374.

The vitamin C is also known as

A. acetic acid
B. citric acid
C. nitric acid
D. ascorbic acid
Answer» E.
375.

The Urea is a less toxic form of

A. magnesium
B. potassium
C. ammonia
D. phosphorus
Answer» D. phosphorus
376.

The kind of metabolism which plays an important role in the growth of stems and leaves is

A. carbon metabolism
B. hydrogen metabolism
C. oxygen metabolism
D. nitrogen metabolism
Answer» E.
377.

The canola oil is liquid at room temperature because of more

A. saturated fatty acids
B. unsaturated fatty acids
C. citric fatty acids
D. nitric fatty acids
Answer» C. citric fatty acids
378.

The kind of fatty acids which consists of double-bonded carbon atoms in place of hydrogen atoms is called

A. acetone fatty acids
B. unsaturated fatty acids
C. nitric fatty acids
D. citric fatty acids
Answer» C. nitric fatty acids
379.

The places in the human body where the artery is closed to the skin include

A. wrist
B. top of foot
C. neck
D. all of above
Answer» E.
380.

The time for atrial systole in one heartbeat is

A. 0.7 seconds
B. 0.1 seconds
C. 0.3 seconds
D. 0.4 seconds
Answer» C. 0.3 seconds
381.

The antigens that differentiate one blood group from another are

A. antigen A and B
B. antigen C and D
C. antigen O and A
D. antigen O and B
Answer» B. antigen C and D
382.

The person having both antigens A and B on the surface of RBCs has blood group

A. O
B. AB
C. B
D. A
Answer» C. B
383.

Considering the cardiac cycle, the sound "dub" is produced when the

A. ventricles relax
B. ventricles contract
C. atria contracts
D. atria relax
Answer» B. ventricles contract
384.

The cycle which is made up of alternating contractions and relaxations of the heart is called

A. systemic cycle
B. cardiac cycle
C. aortic cycle
D. pulmonary cycle
Answer» C. aortic cycle
385.

The artery that supplies blood to the liver is

A. superior artery
B. hepatic artery
C. dorsal artery
D. inferior artery
Answer» C. dorsal artery
386.

The femoral arteries give branches to

A. shank and ankle
B. thigh and knee
C. foot
D. all of above
Answer» E.
387.

The surgery in which veins or arteries from the patient's body parts are grafted into the coronary arteries to improve the supply of blood to muscles of the heart

A. lithoscopy
B. bypass surgery
C. angioplasty
D. endoscopy
Answer» C. angioplasty
388.

The two major veins that carry deoxygenated blood and empties into the right atrium are inferior and superior

A. femoral artery
B. vena cava
C. aorta
D. dorsal aorta
Answer» C. aorta
389.

The starch, lactose, maltose, and sucrose are classified as kinds of

A. amino acids
B. carbohydrates
C. proteins
D. fatty acids
Answer» C. proteins
390.

The blood clotting proteins manufactured by liver is classified as

A. fibrinogen
B. pepsinogen
C. trypsin
D. amylase
Answer» B. pepsinogen
391.

The lacteal carries fatty acids and glycerol to lymphatic duct to enter into

A. pulmonary arteries
B. pulmonary veins
C. bloodstream
D. atrium
Answer» D. atrium
392.

The inadequate absorption or availability of proteins and energy in body is known as

A. protein-energy malnutrition
B. pepsin-enzyme malnutrition
C. pepsin energy malnutrition
D. protein-excess malnutrition
Answer» B. pepsin-enzyme malnutrition
393.

The cardiac sphincter is located between

A. esophagus and stomach
B. small intestine and stomach
C. large intestine and stomach
D. liver and stomach
Answer» B. small intestine and stomach
394.

Chiltan Markhor has the only habitat left in

A. Hazarganji national park
B. Jurassic park
C. murghzaar park
D. animal park
Answer» B. Jurassic park
395.

The number of groups in which organisms were divided by Aristotle is

A. five
B. two
C. three
D. four
Answer» C. three
396.

The family name to which pea plant belongs is

A. diplura
B. straminipila
C. eumycota
D. fabaceae
Answer» E.
397.

The humans belong to the kingdom named

A. fungi
B. animalia
C. plantae
D. protists
Answer» C. plantae
398.

The biologist who proposed a classification based on five kingdoms is

A. Louis Pasteur
B. Stephen Jay
C. Robert Whittaker
D. Ernst Haeckel
Answer» D. Ernst Haeckel
399.

Considering binomial nomenclature, the parts of scientific names are

A. genus and class
B. genus and kingdom
C. genus and species
D. genus and phylum
Answer» D. genus and phylum
400.

The flowering plants are considered as part of

A. kingdom animalia
B. kingdom plantae
C. kingdom ferns
D. kingdom algae
Answer» C. kingdom ferns