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
Clone are
  • A
    Sexually produced non-identical organisms
  • B
    Asexually produced identical organisms
    Correct
  • C
    Asexually produced non-identical organisms
  • D
    Sexually produced identical organism
2
After fertilization, zygote develops into an
  • A
    Carpel
  • B
    Petal
  • C
    Embryo
    Correct
  • D
    Fruit
3
Seed dispersal help in
  • A
    Selecting suitable variety
  • B
    Selection of proper habitat
  • C
    Making seed more vigorous
  • D
    Avoiding competition between seedlings for sunlight and water
    Correct
4
Reproduction is essential for
  • A
    Development of variation
  • B
    Continuation of species on earth
    Correct
  • C
    Increase in population
  • D
    Change in habitat
5
Cross pollination help in creating variation as
  • A
    Pollen are lighter
  • B
    Pollen are carried by wind
  • C
    Two different genome fuse together
    Correct
  • D
    Pollen get changed during transfer
6
Fruit is a mature ovary, where as seed is fertilized
  • A
    Anther
  • B
    Petals
  • C
    Ovule
    Correct
  • D
    Carpel
7
In bread molds, spores are produced inside
  • A
    Ovary
  • B
    Bracts
  • C
    Anther
  • D
    Sporangium
    Correct
8
Male gametes in pollen grain reach to female gamete by
  • A
    Ovary tube
  • B
    Pollen tube
    Correct
  • C
    Funicular
  • D
    Ovule tube
9
A totipotent cell means
  • A
    An undifferentiated cell capable of developing into entire plant
    Correct
  • B
    An undifferentiated cell capable of developing into organ
  • C
    An undifferentiated cell capable of developing into complete embryo
  • D
    Cells that lacks the capability to differentiated into complete plant
10
Virus free plants can be obtained by
  • A
    Root tip culture
  • B
    Antibiotic treatment
  • C
    Shoot tip culture
    Correct
  • D
    Bordeaux treatment
11
Stigma are large and sticky in case of
  • A
    Bat pollinated plant
  • B
    Insect pollinated plant
  • C
    Wind pollinated flower
    Correct
  • D
    Water pollinated flower
12
Progeny produced as a result pf cross pollination
  • A
    Is homozygous
  • B
    Has recessive characters
  • C
    Shows high degree of variability and is evolutionary important
    Correct
  • D
    Is sterile
13
Wind pollinated flowers produce
  • A
    Very less number of pollen grains
  • B
    Very large number of pollen grains
    Correct
  • C
    Heavy and sticky pollen grains
  • D
    Larger sized pollen grains
14
Reproductive parts of a plant is the
  • A
    Root
  • B
    Flower
    Correct
  • C
    Stem
  • D
    Leaf
15
Self pollinated plants
  • A
    Better adopted in any habitat
  • B
    Cause variation and evolution
  • C
    Change features and purity
  • D
    Maintains purity and superiority of variety
    Correct