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

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Questions
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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