Some mcq of class 7th science chapter 1&2

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CBSE Class 7 - Science - CH1&2: Nutrition in Animals (Mcq)

CBSE Class 7 Science CH1 - Nutrition In Plants (MCQs)

NUTRITION IN PLANTS

Pitcher Plant: A carnivorous plant

MCQs
Q1: Which of the following is not an end product of photosynthesis?

(a) Oxygen
(b) Carbon dioxide
(c) Water
(d) Glucose

Q2: Which of the following organisms gets its food from dead and decaying matter?

(a) Algae
(b) Fungi
(c) Amoeba 
(d) Insectivorous plants

Q3: Which of the following are autotrophs?

(a) all plants
(b) Green plants
(c) All animals
(d) Unicellular organisms

Q4: Photosynthesis is not possible in the absence of ________.

(a) Guard cells
(b) Chlorophyll
(c) Vacuole
(d) Space between cells

Q5: The associations of organism where they live together and share shelter and nutrients is known as ___________.


(a) Saprophyte
(b) Autotroph
(c) Symbiosis
(d) Parasite

Q6: Which of the following are partial parasites ?

(a) green plants
(b) Non-green plants
(c) Either a or b
(d) Neither a nor b

Q7: The internal factor which affects the process of photosynthesis is ___________.

(a) Temperature
(b) Chlorophyll
(c) Light
(d) None of these

Q8: __________ is a saprophyte?

(a) Venus flytrap
(b) Mushroom
(c) lichen
(d) Dodder

Q9: Which of the following is an insectivorous plant?

(a) Lichens
(b) Venus Fly trap
(c) Euglena
(d) Amoeba

Q10: The life processes that provides energy is/are

(a) nutrition
(b) Respiration
(c) Both nutrition and respiration
(d) transpiration

Q11: Green plants are:
(a) herbivores
(b) autotrophs
(c) hetrotrophs
(d) omnivores

Q12: The tiny pores present in the leaves of the plants for exchange of gases are called _____

(a) Stomata 
(b) Tracheae 
(c) Chloroplast 
(d) Spiracles


Q13: Rhizobium is an example of

(a) Symbiosis
(b) Parasites
(c) Insectivorous
(d) none of these



Q14: Which part of the plant gets carbon dioxide from the air for photosynthesis?

(a) root hair 
(b) stomata 
(c) leaf veins 
(d) sepals


Q15: Iodine used to detect presence of starch. It gives starch  

(a) red colour
(b) green colour
(c) blue-black colour
(d) colourless appearance


Q16(NCERT): Amarbel (Cuscuta) is an example of:

(a) autotroph 
(b) parasite 
(c) saprotroph 
(d) host


Q17(NCERT): The plant which traps and feeds on insects is:

(a) cuscuta 
(b) china rose 
(c) pitcher plant 
(d) rose


Q18: Green plants use which of the following to prepare food?

(a) Carnon DiOxide
(b) Sunlight
(c) Water
(d) All of these


Q19: 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.


Q20: 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

Answers:

1: (b) Carbon dioxide
2: (b) Fungi
3: (b) Green plants
4: (b) Chlorophyll
5: (c) Symbiosis
6: (c) Either a or b
7: (b) Chlorophyll
8: (b) Mushroom
9: (b) Venus Fly trap
10:(b) Respiration  [Hint: Nutrition gives us food. Respiration breaks down food into energy]

Q1: The pointed teeth in the buccal cavity are called:

(a) incisors
(b) canines
(c) premolars 
(d) molars


Q2: Bile juice is stored in 

(a) liver
(b) pancreas
(c) gall bladder 
(d) stomach


Q3: The inner walls of the small intestine have millions of small finger like projections called

(a) villi
(b) trachae
(c) appendix
(d) oesophagus



Q4: Which of the following is a ruminant?

(a) buffalo
(b) camel
(c) goat
(d) all of these


Q5: Which of the following is not a part of nutrition?

(a) digestion
(b) absorption
(c) assimilation
(d) excretion

Q6: An amoeba ingests food with the help of

(a) Cilia
(b) Tentacles
(c) Pseudopedia
(d) Buccal Cavity


Q7: Grass is rich in ________ a special kind of carbohydrate which can only be digested by ruminants.

(a) Glucose
(b) Cellulose
(c) Sucrose
(d) Fructose


Q8: Amylase enzyme is present in

(a) bile juice
(b) saliva
(c) gastric juice
(d) pancreatic juice

Q9: The walls of large intestine absorb

(a) water
(b) proteins
(c) cellulose
(d) roughage

Q10: Which of the following do not have teeth

(a) rats
(b) birds
(c) snakes
(d) elephants

Answers:
1: (b) canines
2: (c) gall bladder 
3: (a) villi
4: (d) all of these
5: (d) excretion
6: (c) Pseudopedia
7: (b) Cellulose
8: (b) saliva
9: (a) water
10: (b) birds

           

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