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Free download in PDF CBSE class 7 Science Multiple Choice Questions(MCQs) & Answers. Here Gkseries provide Science Solve Questions and Answers for CBSE class 7 Students.
(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
(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.
(3)
Green plants use which of the following to prepare food?
[A]
Carnon DiOxide
[B]
Sunlight
[C]
Water
[D]
All of these
(4)
The plant which traps and feeds on insects is:
[A]
cuscuta
[B]
china rose
[C]
pitcher plant
[D]
rose
(5)
Amarbel (Cuscuta) is an example of:
[A]
autotroph
[B]
parasite
[C]
saprotroph
[D]
host
(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
(8)
Rhizobium is an example of
[A]
Symbiosis
[B]
Parasites
[C]
Insectivorous
[D]
None of these
(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
(10)
Green plants are:
[A]
herbivores
[B]
autotrophs
[C]
hetrotrophs
[D]
omnivores
(11)
Which of the following do not have teeth
(a)
(b)
(c) snakes
(d) elephants
[A]
rats
[B]
Donkey
[C]
birds
[D]
Goat
(12)
The walls of large intestine absorb
[A]
water
[B]
proteins
[C]
cellulose
[D]
roughage
(13)
Amylase enzyme is present in
[A]
bile juice
[B]
saliva
[C]
gastric juice
[D]
pancreatic juice
(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
(15)
An amoeba ingests food with the help of
[A]
Cilia
[B]
Tentacles
[C]
Pseudopedia
[D]
Buccal Cavity
(16)
Which of the following is not a part of nutrition?
[A]
digestion
[B]
absorption
[C]
assimilation
[D]
excretion
(17)
Which of the following is a ruminant?
[A]
buffalo
[B]
camel
[C]
goat
[D]
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
(19)
Bile juice is stored in
[A]
liver
[B]
pancreas
[C]
gall bladder
[D]
stomach
(20)
The pointed teeth in the buccal cavity are called:
[A]
incisors
[B]
canines
[C]
premolars
[D]
molars
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