Chapter 18: Reproduction In Plants - Science For Grade 7(Science ) Questions and Answers

Question 1. Wind pollinated flowers hangs
  1.    upwards
  2.    downwards
  3.    left
  4.    right
Explanation:-
Answer: Option B. -> downwards
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 2. In most species of plants, food is stored in
  1.    radicle
  2.    plumule
  3.    cotyledon
  4.    zygote
Explanation:-
Answer: Option C. -> cotyledon
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 3. When the ovule and the nucleus of the pollen grain are joined together, we say that the ovule is
  1.    pollinated
  2.    reproduced
  3.    fertilized
  4.    infected
Explanation:-
Answer: Option C. -> fertilized
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 4. Only those plants and animals will remain on earth that
  1.    grow
  2.    eat
  3.    reproduce
  4.    sleep
Explanation:-
Answer: Option C. -> reproduce
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 5. The miniature plants contain one or two seed leaves called
  1.    radicle
  2.    plumule
  3.    cotyledon
  4.    zygote
Explanation:-
Answer: Option C. -> cotyledon
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 6. The part of a flower that protects flower in bud form is
  1.    sepal
  2.    petal
  3.    carpel
  4.    stamen
Explanation:-
Answer: Option A. -> sepal
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 7. Mostly the color of sepal is
  1.    yellow
  2.    green
  3.    orange
  4.    red
Explanation:-
Answer: Option B. -> green
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 8. The pollen grains of bird pollinated flowers
  1.    stick to their feathers
  2.    hang with the feathers
  3.    penetrate in the feathers
  4.    stick to the skin
Explanation:-
Answer: Option A. -> stick to their feathers
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 9. Fertilization occurs
  1.    after pollination
  2.    before pollination
  3.    with pollination
  4.    without pollination
Explanation:-
Answer: Option A. -> after pollination
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 10. The egg in the carpel is known as
  1.    stigma
  2.    style
  3.    ovary
  4.    ovule
Explanation:-
Answer: Option D. -> ovule
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
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