Explore topic-wise MCQs in Science.

This section includes 6820 Mcqs, each offering curated multiple-choice questions to sharpen your Science knowledge and support exam preparation. Choose a topic below to get started.

901.

Is there a disintegration?

A. fruit development without hormones
B. fruit development without fertilization
C. egg development without fertilization
D. embryo development without fertilization
Answer» D. embryo development without fertilization
902.

Pollination by bats is called?

A. Entomophilia
B. Animophilia
C. ornithophily
D. Chiropractic
Answer» E.
903.

Do plants get the same as the mother plant?

A. from stem pen
B. from seeds
C. from both of the above
D. to nobody
Answer» B. from seeds
904.

What is the transformation of the foliage column?

A. root
B. of stem
C. leafy
D. none of these
Answer» C. leafy
905.

Found in full flower?

A. Pumang and Jiang
B. team and gyang
C. all four circles
D. Dal, Pumang and Jiang
Answer» D. Dal, Pumang and Jiang
906.

Is it pollinated?

A. incompletely developed embryo
B. incompletely developed male gametophyte
C. spore mother cell
D. a male sperm cell
Answer» C. spore mother cell
907.

Ornithophily pollination takes place?

A. by birds
B. by bats
C. by air
D. By humans
Answer» B. by bats
908.

Pneumatophores (respiratory origin) are often found in?

A. in misdeeds
B. in the overheads
C. in mangrove plants
D. in hydrocephalus
Answer» C. in mangrove plants
909.

What is the edible part of apple and pear?

A. External fruit wall
B. mid fruit wall
C. inner wall
D. fleshy push
Answer» E.
910.

Who is the founder of Indian Mycology?

A. e . J. butler
B. s . R. Kashyap
C. R. Mishra
D. weedmann
Answer» B. s . R. Kashyap
911.

But pollination is beneficial because it is caused by?

A. production of male offspring
B. weak child
C. good child
D. production of seeds
Answer» D. production of seeds
912.

Does AIDS spread?

A. by shaking hands
B. by breathing
C. from pests
D. by physical contact
Answer» E.
913.

Who is the exponent of binomial method?

A. Linnaeus
B. Theophrastus
C. Echinson
D. angler
Answer» B. Theophrastus
914.

Which of the following is used to preserve fruit juices?

A. acetic acid
B. formic acid
C. sulphuric acid
D. sodium benzoate
Answer» E.
915.

Where are insulin crystals found?

A. at the root of the dahlia
B. root of sugarcane
C. in pomegranate root
D. in the root of mango
Answer» B. root of sugarcane
916.

What is SARS?

A. Organization
B. viral disease
C. warship
D. Communication Systems
Answer» C. warship
917.

The bacterium that causes tuberculosis is?

A. salmonella
B. mycobacterium
C. diplococcus
D. streptomyces
Answer» C. diplococcus
918.

From whom do you get Chilgoza?

A. Sycus
B. Pinus
C. Silagenella
D. Learn
Answer» C. Silagenella
919.

L. s . D . From whom is it obtained?

A. bacteria
B. fungus
C. 2 , 4 - d
D. Alcohol
Answer» C. 2 , 4 - d
920.

In which class of plants seeds are formed but the seeds remain naked on the plant?

A. Bryophyta
B. in pteridophytes
C. Angiosperm
D. Gymnosperm
Answer» E.
921.

Which of the following fungi are autotrophic?

A. protozoa
B. algae
C. fungus
D. Virus
Answer» C. fungus
922.

What are lichens that grow on the bark of trees called?

A. Carticoles
B. sexycoles
C. sextilis
D. parmelia
Answer» B. sexycoles
923.

If - if done, by whom?

A. fungus
B. meat
C. algae
D. bacteria
Answer» D. bacteria
924.

The first isolated antibiotic was?

A. Teramycin
B. Neomycin
C. Penicillin
D. streptomycin
Answer» E.
925.

What is Penicillium?

A. Virus
B. algae
C. fungus
D. bacteria
Answer» D. bacteria
926.

What is a round bacterium called?

A. viberies
B. bacillus
C. caucus
D. Spirillum
Answer» D. Spirillum
927.

Virus to grow?

A. in dead body
B. in a living cell
C. in water
D. in sugar solution
Answer» C. in water
928.

NS . Mother V. is related?

A. cancer
B. plague
C. Hepatitis
D. AIDS
Answer» E.
929.

What causesFood and Mouthdisease in animals?

A. bacteria
B. fungus
C. protozoa
D. Virus
Answer» E.
930.

What is the cause of mosaic in potato?

A. Virus
B. bacteria
C. mildew
D. algae
Answer» B. bacteria
931.

Which of the following is soured by?

A. protozoa
B. bacteria
C. virus
D. Nematode
Answer» C. virus
932.

Azolla is one. . .

A. Bryophyta
B. algae
C. aquatic fern
D. fungus
Answer» E.
933.

When yeast cells are added to wheat flour, the bread becomes soft and porous? Because

A. Yeast produces benzoic acid
B. Makes bread spongy by producing CO₂.
C. Yeast is soft and dough becomes soft
D. Yeast produces acetic acid and alcohol which make bread soft.
Answer» C. Yeast is soft and dough becomes soft
934.

Rabdo virus is a disease caused by?

A. Tuberculosis disease
B. chicken pox
C. cancer
D. Rabies
Answer» E.
935.

What is a spiral bacterium called?

A. diplococcus
B. bacillus
C. caucus
D. Spirillum
Answer» E.
936.

Refrigeration of a substance containing microbes is a process whose function is?

A. kill bacteria
B. growth rate event of bacteria
C. inactivate bacteria
D. protoplasmic contraction of bacteria
Answer» D. protoplasmic contraction of bacteria
937.

Edward Jenner invented the vaccine for which disease?

A. polio
B. diarrhea
C. T. b.
D. chicken pox
Answer» E.
938.

Where are coronoid roots found?

A. in pine
B. in lipodium
C. in psyche
D. Dryopteris
Answer» B. in lipodium
939.

Bryophytes include?

A. liverwort and fern
B. moss and ferns
C. liverwort and moss
D. none of these
Answer» D. none of these
940.

The tallest plant in the world is related to?

A. from pteridophytes
B. dicotyledonous
C. from gymnosperms
D. monocots
Answer» D. monocots
941.

Red rot disease occurs in sugarcane?

A. by bacteria
B. by viruses
C. by fungi
D. in nematode
Answer» D. in nematode
942.

How many groups of algae are there in the plant kingdom?

A. five
B. Eight
C. three
D. six
Answer» D. six
943.

Goitre disease can be avoided and it is treated by eating some sea weeds, because they are abundant in?

A. Sulphur
B. Iodine
C. calcium
D. Phosphorus
Answer» C. calcium
944.

Litmus paper used in chemical laboratory is obtained from?

A. from green algae
B. from blue-green algae
C. from lichen
D. from fungus
Answer» D. from fungus
945.

Are there hydrophytes?

A. Sea creatures
B. aquatic plants
C. plant diseases
D. rootless plant
Answer» C. plant diseases
946.

Lichens are made up of which two classes of plants? are they?

A. fungi and ferns
B. Algae and Bryophyta
C. bacteria and virus
D. fungus and algae
Answer» E.
947.

Which one organism is used as biofertilizer for rice crop?

A. blue green algae
B. Rhizobium species
C. fungus root fungus
D. Azatobacter
Answer» B. Rhizobium species
948.

Where are flowering plants placed?

A. in cryptogames
B. in phanerogames
C. in bryophytes
D. in pteridophytes
Answer» C. in bryophytes
949.

A fungus calledAspergillusis used for?

A. in the silk industry
B. in the coffee industry
C. cheese industry
D. none of these
Answer» D. none of these
950.

Is mycorrhiza a symbiotic relationship?

A. between algae and bryophytes
B. between the roots of fungi and higher plants
C. between the roots of algae and gymnosperms
D. between algae and fungi
Answer» C. between the roots of algae and gymnosperms