7th Grade Science Test Quiz!
16 Questions
| Total Attempts: 580
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Questions and Answers
- 1.Organisms which prepare food for themselves using simple naturally available raw materials are referred to as:
- A.
Heterotrophs
- B.
Autotrophs
- C.
Parasites
- D.
Saprophytes
- 2.In the absence of which of the following will photosynthesis not occur in leaves?
- A.
Guard Cells
- B.
Chlorophyll
- C.
Vacuole
- D.
Space between Cells
- 3.Pitcher plant traps insects because of it.
- A.
Is a heterotroph.
- B.
Grows in soils which lack in nitrogen.
- C.
Does not have chlorophyll.
- D.
Has a digestive system like human beings.
- 4.Which of the following statements is/are correct? (i) All green plants can prepare their own food. (ii) Most animals are autotrophs. (iii) Carbon dioxide is not required for photosynthesis. (iv) Oxygen is liberated during photosynthesis. Choose the correct answer from the options below:
- A.
(i) and (iv)
- B.
(ii) only
- C.
(ii) and (III)
- D.
(i) and (ii)
- 5.When we observe the lower surface of a leaf through a magnifying lens we see numerous small openings. Which of the following is the term given to such openings?
- A.
Stomata
- B.
Madrib
- C.
Lamina
- D.
Veins
- 6.Which of the following is not a part of nutrition?
- A.
Digestion
- B.
Absorption
- C.
Assimilation
- D.
Excretion
- 7.Which of the following does not have teeth?
- A.
Rats
- B.
Birds
- C.
Elephants
- D.
Snakes
- 8.Amylase enzyme is present in:
- A.
Bile juice
- B.
Saliva
- C.
Gastric Juice
- D.
Pancreatic Juice
- 9._____ is digested by bile.
- A.
Fats
- B.
Proteins
- C.
Carbohydrates
- D.
Vitamins
- 10.Woollen clothes are made from ()
- A.
Animals
- B.
Plants
- C.
Insects
- D.
Bacteria
- 11.Which of the following does not yield wool?
- A.
Yak
- B.
Camel
- C.
Goat
- D.
Wooly Dog
- 12.Which of the following is not a type of silk?
- A.
Mulberry
- B.
Mooga
- C.
Tassar
- D.
Moth
- 13.The silk fiber is obtained from?
- A.
Fleece of sheep
- B.
Cocoon
- C.
Cotton Ball
- D.
Shiny jute stalk
- 14.The silkworms secrete fiber made of_____
- A.
Fat
- B.
Cellulose
- C.
Protein
- D.
Nylon
- 15.The rearing of silkworms for obtaining silk is called silviculture.
- A.
True
- B.
False
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