By tackling these Class 7 Science MCQ and Life Processes in Plants Class 7 Science Curiosity Chapter 10 MCQ Online Test with Answers, students will build a solid foundation in the topic.
Class 7 Science Chapter 10 Life Processes in Plants MCQ
Life Processes in Plants MCQ
Class 7 Science Chapter 10 MCQ Online Test
Question 1.
Which of the follow ing factor is not essential for growth of plants?
(a) Water
(b) Sunlight
(c) Adequate temperature
(d) Sound
Answer:
(d) Sound
Question 2.
Which gas is essential for photosynthesis?
(a) Oxygen
(b) Nitrogen
(c) Carbon dioxide
(d) Hydrogen
Answer:
(c) Carbon dioxide
Question 3.
In which form synthesis of food in leaves is stored?
(a) Glucose
(b) Starch
(c) Fat
(d) Protein
Answer:
(b) Starch
Question 4.
Which test is used to find presence of starch in leaves?
(a) Test of lime water
(b) Iodine test
(c) Sulfur dioxide test
(d) None of the above
Answer:
(b) Iodine test
Question 5.
Which part of plant play role in transport of water and minerals?
(a) Phloem
(b) Xylern
(c) Stomata
(d) Root hairs
Answer:
(b) Xylern
Question 6.
What are micro pores called found on leaf surface and responsible for gaseous exchange?
(a) Cell
(b) Stomata
(c) Pores
(d) Vein
Answer:
(b) Stomata
Question 7.
Which gas is produced by the process of photosynthesis?
(a) Carbon dioxide
(b) Oxygen
(c) Nitrogen
(d) Water vapour
Answer:
(b) Oxygen
Question 8.
Which structure is responsible for transport of food in plants?
(a) Xylem
(b) Phloem
(c) Stomata
(d) Roots
Answer:
(b) Phloem
Question 9.
What is absorbed by plants in respiration?
(a) Carbon dioxide
(b) Oxygen
(c) Nitrogen
(d) Hydrogen
Answer:
(b) Oxygen
Question 10.
Which of the following is an external factor to affect growth of plants?
(a) Photosynthesis
(b) Respiration
(c) Availability of water
(d) Transport
Answer:
(c) Availability of water
Question 11.
Which ancient Indian text records useful observations about plant growth, soil, and agricultural practices?
(a) Arthshashtra
(b) Ashtadhyayi
(c) Vrikshayurveda
(d) Mahabharata
Answer:
(c) Vrikshayurveda
Question 12.
In which area of research hamala Sohonie is famous?
(a) Photosynthesis
(b) Plant respiration
(c) Water transport
(d) Genetics
Answer:
(b) Plant respiration
Life Processes in Plants Class 7 Fill in the blanks
Question 1.
Plant make their own food by process of _______
Answer:
photosynthesis
Question 2.
For photosynthesis pigment is _______ essential.
Answer:
chloroplast
Question 3.
Plant absorb oxygen during respiration and releases _______ gas.
Answer:
carbon dioxide
Question 4.
Food prepared by leaves transported to different parts of plants through _______.
Answer:
phloem
Question 5.
Tiny pores found on lower surface of leaf are called _______.
Answer:
stomata
Life Processes in Plants Class 7 True or False
Question 1.
Plant only respire during day time. (True/False)
Answer:
False
Question 2.
Sunlight is needed for photosynthesis. (True/False)
Answer:
True
Question 3.
Water and minerals arc transported through phloem. (True/False)
Answer:
False
Question 4.
Starch is found in potato. (True/False)
Answer:
True
Question 5.
All green plants prepare their food by-photosynthesis. (True/False)
Answer:
True
Life Processes in Plants Class 7 Match the following
| Column ‘A’ | Column ‘B’ |
| (i) Mouth | (a) Chewing |
| (ii) Anus | (b) Pancreatic juice secretion |
| (iii) Teeth | (c) Breaking down food into parts |
| (iv) Pancreas | (d) Egestion |
Answer:
| Column ‘A’ | Column ‘B’ |
| (i) Mouth | (c) Breaking down food into parts |
| (ii) Anus | (d) Egestion |
| (iii) Teeth | (a) Chewing |
| (iv) Pancreas | (b) Pancreatic juice secretion |
Question 2.
| Column A (Plant part) | Column B (Main function) |
| (i) Root | (a) Synthesis of food |
| (ii) Stem | (b) Absorption of water and minerals |
| (iii) Leaf | (c) Gaseous exchange |
| (iv) Stomata | (d) Support plants |
Answer:
| Column A (Plant part) | Column B (Main function) |
| (i) Root | (b) Absorption of water and minerals |
| (ii) Stem | (d) Support plants |
| (iii) Leaf | (a) Synthesis of food |
| (iv) Stomata | (c) Gaseous exchange |
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