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CBSE class 7 Science Quiz | CBSE class 7 Science Multiple Choice Questions(MCQs) & Answers

(1) The main function of a leaf is:
[A] To prepare food
[B] To prevent disease
[C] To support the plant
[D] To give a proper shape
Answer: To prepare food
(2) Which of the following statements is NOT true?
[A] Heterotrophs cannot prepare their own food.
[B] Dodder is an example of parasite.
[C] Saprophytes are green.
[D] Pulses and Beans are legumes.
Answer: Saprophytes are green.

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(3) Green plants use which of the following to prepare food?
[A] Carnon DiOxide
[B] Sunlight
[C] Water
[D] All of these
Answer: All of these
(4) The plant which traps and feeds on insects is:
[A] cuscuta
[B] china rose
[C] pitcher plant
[D] rose
Answer: pitcher plant
(5) Amarbel (Cuscuta) is an example of:
[A] autotroph
[B] parasite
[C] saprotroph
[D] host
Answer: parasite
(6) Iodine used to detect presence of starch. It gives starch
[A] red colour
[B] green colour
[C] blue-black colour
[D] colourless appearance
Answer: blue-black colour
(7) Which part of the plant gets carbon dioxide from the air for photosynthesis?
[A] root hair
[B] stomata
[C] leaf veins
[D] sepals
Answer: stomata
(8) Rhizobium is an example of
[A] Symbiosis
[B] Parasites
[C] Insectivorous
[D] None of these
Answer: Symbiosis
(9) The tiny pores present in the leaves of the plants for exchange of gases are called _____
[A] Stomata
[B] Tracheae
[C] Chloroplast
[D] Spiracles
Answer: Stomata
(10) Green plants are:
[A] herbivores
[B] autotrophs
[C] hetrotrophs
[D] omnivores
Answer: autotrophs
(11) Which of the following do not have teeth (a) (b) (c) snakes (d) elephants
[A] rats
[B] Donkey
[C] birds
[D] Goat
Answer: birds
(12) The walls of large intestine absorb
[A] water
[B] proteins
[C] cellulose
[D] roughage
Answer: water
(13) Amylase enzyme is present in
[A] bile juice
[B] saliva
[C] gastric juice
[D] pancreatic juice
Answer: saliva
(14) Grass is rich in ________ a special kind of carbohydrate which can only be digested by ruminants.
[A] Glucose
[B] Cellulose
[C] Sucrose
[D] Fructose
Answer: Cellulose
(15) An amoeba ingests food with the help of
[A] Cilia
[B] Tentacles
[C] Pseudopedia
[D] Buccal Cavity
Answer: Pseudopedia
(16) Which of the following is not a part of nutrition?
[A] digestion
[B] absorption
[C] assimilation
[D] excretion
Answer: excretion
(17) Which of the following is a ruminant?
[A] buffalo
[B] camel
[C] goat
[D] all of these
Answer: all of these
(18) The inner walls of the small intestine have millions of small finger like projections called
[A] villi
[B] trachae
[C] appendix
[D] oesophagus
Answer: villi
(19) Bile juice is stored in
[A] liver
[B] pancreas
[C] gall bladder
[D] stomach
Answer: gall bladder
(20) The pointed teeth in the buccal cavity are called:
[A] incisors
[B] canines
[C] premolars
[D] molars
Answer: canines

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