Class 7 Reproduction In Plants CBSE Questions & Answers

Class 7 · Reproduction In Plants

This is Science Class 7 Reproduction in Plants CBSE Questions & Answers. There are 15 questions in this test with each question having around four answer choices.

Questions & Answers

1
It is more economical to propagate potato through
  • A
    Seeds
  • B
    Piece of tubers
    Correct
  • C
    Whole tuber
  • D
    Tissue culture
2
Part of plant used for culturing is called
  • A
    Callus
  • B
    Stock
  • C
    Explant
    Correct
  • D
    Scion
3
Most common means of pollination is
  • A
    Honey bee
  • B
    Air
    Correct
  • C
    Water
  • D
    Human
4
Pollen grain is related to embryo sac as
  • A
    Male gametophyte to female gametophyte
  • B
    Male gametes to egg
  • C
    Sperm to female gametophyte
  • D
    Sperm to egg
    Correct
5
A piece of potato tuber will form a new plant if it has
  • A
    Eyes
    Correct
  • B
    Branches
  • C
    Roots
  • D
    Stored food
6
Fleshy and juicy fruits are found in
  • A
    Mango and orange
    Correct
  • B
    Orange and almond
  • C
    Walnuts and almond
  • D
    Mango and almond
7
Fragrant flowers with well developed nectarines are an adaptation for
  • A
    Wind pollination
  • B
    Water pollination
  • C
    Bat pollination
  • D
    Insect pollination
    Correct
8
Plant part having two generations, one within the other is
  • A
    Unfertilized ovule
    Correct
  • B
    Germinated pollen grain
  • C
    Seed
  • D
    Embryo
9
Sepals are small leafy structure at the base of flower. Its function is to
  • A
    Protect the flower at bud stage
    Correct
  • B
    Produce seeds
  • C
    Make the flower base stronger
  • D
    Attracts the insect for pollination
10
Transfer of pollen grain form anther of one flower to stigma of another flower is called cross pollination. It produces
  • A
    Similar progeny
  • B
    Male progeny
  • C
    Better progeny
    Correct
  • D
    Weaker progeny
11
New plants developed by asexual reproduction is identical to each other because they are
  • A
    Produced from same seed
  • B
    Produced without cell division
  • C
    Produced from same fruit
  • D
    Produced from single parents
    Correct
12
Bread mold reproduces by
  • A
    Budding
  • B
    Fragmentation
  • C
    Regeneration
  • D
    Spore formation
    Correct
13
The figure shown below is
Question 13 figure 1
  • A
    Seed of oak
  • B
    Flower of cactus
  • C
    Seed of xanthium
  • D
    Fruit of sunflower
    Correct
14
Most of the fruits are ripened---------------.
  • A
    Pistils
  • B
    Seeds
  • C
    Ovary
    Correct
  • D
    Endosperm
15
In nature, same type of plants grows at different places. This happen because
  • A
    Large number of seeds are produced
  • B
    Seeds are dispersed to different places
    Correct
  • C
    Seeds are transported by insects
  • D
    Seeds are carried by human beings