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.

401.

The branch of biology which focuses on biological classification is called

A. entomology
B. histology
C. taxonomy
D. paleontology
Answer» D. paleontology
402.

Prokaryotic animals lie in kingdom

A. Monera
B. Protista
C. Fungi
D. Plantae
Answer» B. Protista
403.

The national animal of United States is

A. tiger
B. lion
C. leopard
D. bald eagle
Answer» E.
404.

The kinds of characteristics possessed by each species are

A. ecological characteristics
B. structural characteristics
C. behavioral characteristics
D. all of above
Answer» E.
405.

The measure of organisms variety that is present in different ecosystems is classified as

A. biogenetics
B. biodiversity
C. bio geometry
D. bio-rationality
Answer» C. bio geometry
406.

The earliest system used for classification of organisms came from

A. Aristotle
B. Plato
C. Avicenna
D. Ibn al Haithem
Answer» B. Plato
407.

The protozoan included in kingdom Protista resembles animals because of the absence of

A. Golgi bodies and mitochondria
B. chromatin material and cell wall
C. cell membrane and chloroplasts
D. cell walls and chlorophyll
Answer» E.
408.

The world's largest chilghoza forest is found in

A. Hindukush range
B. Suleiman Range
C. Karakoram Range
D. Himalaya range
Answer» C. Karakoram Range
409.

The term anemia means lack of

A. carbohydrates
B. carbon dioxide
C. oxygen
D. blood
Answer» E.
410.

The micronutrients include all except

A. molybdenum
B. chlorine
C. carbon
D. zinc
Answer» D. zinc
411.

The substance whose deficiency makes it difficult to see things in dim light is

A. opsin
B. rhodopsin
C. acetyl
D. pepsin
Answer» C. acetyl
412.

The condition in which sufferer has frequent and loose bowel movements is called

A. acidity
B. diarrhea
C. constipation
D. appendix infection
Answer» C. constipation
413.

The pyloric sphincter is located between

A. esophagus and liver
B. lungs and liver
C. stomach and small intestine
D. stomach and large intestine
Answer» D. stomach and large intestine
414.

The classification of the living organism was first done by

A. Abu Asmai
B. Aristotle
C. Bu Ali Sina
D. Plato
Answer» C. Bu Ali Sina
415.

The organisms that lack cellular organization yet have some characteristics of living organisms are called

A. ingestive heterotrophs
B. multicellular
C. acellular
D. unicellular
Answer» D. unicellular
416.

Critically endangered species are those who are at risk of becoming extinct with

A. extremely high risk
B. risk
C. threaten
D. vulnerable
Answer» B. risk
417.

The order of fruit fly in classification is

A. Insecta
B. diptera
C. drosophila
D. Arthropoda
Answer» C. drosophila
418.

Group of related families constitutes the

A. phylum
B. order
C. class
D. specie
Answer» C. class
419.

The interkinesis phase is also known as

A. prophase I
B. interphase II
C. interphase I
D. prophase II
Answer» C. interphase I
420.

The phase of meiosis II in which nuclear envelope and nucleoli disappears is classified as

A. prophase II
B. prophase II
C. ribo-phase II
D. S-phase II
Answer» B. prophase II
421.

The phenomena of disease spreading from one part of the body to others are called

A. benign plate
B. phragmoplast
C. metastasis
D. malignation
Answer» D. malignation
422.

The chromosomes duplicated in S phase consists of

A. two sister chromatids
B. four sister chromatids
C. eight sister chromatids
D. ten sister chromatids
Answer» B. four sister chromatids
423.

Considering the cell replacement by mitosis, the cells that are replaced by mitosis are

A. red blood cells
B. white blood cells
C. somatic cells
D. germ line cells
Answer» B. white blood cells
424.

The name of the British scientist who described the cells for the very first time is

A. David Baltimore
B. James Watson
C. Robert Hooke
D. Antonie Leeuwenhoek
Answer» D. Antonie Leeuwenhoek
425.

The movement of the molecules to the higher concentration area from low concentration area is called

A. isotonic transport
B. active transport
C. passive transport
D. hypotonic transport
Answer» C. passive transport
426.

The examples of compound tissues include

A. nervous and connective tissues
B. phloem and xylem tissues
C. support and ground tissues
D. epithelial and muscle tissues
Answer» C. support and ground tissues
427.

The skeletal muscles are also known as

A. striated muscles
B. impulsive muscles
C. reflexive muscles
D. adipose muscles
Answer» B. impulsive muscles
428.

The thick secondary cell walls are also known as

A. vascular elements
B. lateral elements
C. epidermal elements
D. vessel elements
Answer» E.
429.

The narrow layer of cells in form of thin walls is called

A. procycle
B. exodermis
C. endodermis
D. pericycle
Answer» E.
430.

The number of chambers in heart are

A. two
B. four
C. five
D. three
Answer» C. five
431.

The walls of the heart are composed of

A. sphincter muscles
B. cardiac muscles
C. pelvic muscles
D. abdominal muscles
Answer» C. pelvic muscles
432.

After the contraction of right atrium, the deoxygenated blood passes it on to the

A. right ventricle
B. left ventricle
C. lower ventricle
D. upper ventricle
Answer» B. left ventricle
433.

The smaller vessels in which arteries are divided after entering the body organs are called

A. cytokinesis
B. granum
C. centrioles
D. arterioles
Answer» E.
434.

Considering elements of nature, the elements that make 01% of the total mass present does not include

A. zinc
B. iodine
C. iron
D. carbon
Answer» E.
435.

The organism which shows colonial organization in water includes

A. Volvox
B. bacteria
C. paramecium
D. euglena
Answer» B. bacteria
436.

The founder of medicine in the west is

A. Jabir - bin Hayan
B. Abdul Malik Asmai
C. Bu Ali Sina
D. Avicenna
Answer» E.
437.

Elements are the basic constituent of

A. matter
B. ions
C. charges
D. electrons
Answer» B. ions
438.

The branch of biology which deals with the principles of physics that apply to biological phenomena is called

A. biophysics
B. biochemistry
C. physical biology
D. biogeography
Answer» B. biochemistry
439.

IUCN was the first organization who have given the red list of

A. endangered species
B. growing species
C. migrating species
D. extinct species
Answer» B. growing species
440.

Considering the five-kingdom classification system, the unicellular eukaryotic, prokaryotic and multicellular eukaryotic are considered as

A. shoot and root systems
B. cellular organization levels
C. modes of nutrition
D. green plants classification
Answer» C. modes of nutrition
441.

A group of related species is termed as

A. phylum
B. order
C. class
D. genus
Answer» E.
442.

The nutritional model of mushrooms of kingdom fungi is

A. destructive
B. absorptive
C. photosynthetic
D. ingestive
Answer» C. photosynthetic
443.

Starfish helps other animals to live by eating

A. mussels
B. jelly fish
C. dolphin
D. whale
Answer» B. jelly fish
444.

The bile secreted by the liver is stored in

A. appendix
B. urinary bladder
C. gall bladder
D. pancreas
Answer» D. pancreas
445.

The micronutrient required for nitrogen metabolism is

A. sodium chloride
B. calcium phosphate
C. iron
D. nickel
Answer» E.
446.

The nitrogen is useful for plants in the form of

A. nitrates
B. nitric acid
C. nitrogen dioxide
D. nitrites
Answer» B. nitric acid
447.

The severe level of dehydration in the body leads to

A. anemia
B. hemophilia
C. cardiovascular problems
D. osteoporosis
Answer» D. osteoporosis
448.

The part of the small intestine after duodenum is known as

A. jejunum
B. lipase duodenum
C. amylase duodenum
D. lipase ileum
Answer» B. lipase duodenum
449.

The loss of hydrogen atoms from a molecule results in loss of

A. electron
B. neutrons
C. protons
D. all of above
Answer» B. neutrons
450.

The process of movement of water to the concentrated solution from dilute solution is

A. diffusion
B. osmosis
C. infusion
D. binary fission
Answer» C. infusion