MEDIUM
7th Foundation
IMPORTANT
Earn 100

Select the plants which are pollinated by water,
(i) Vallisneria
(ii) Zostera
(iii) Wheat    
(iv) Coconut
(v) Sunflower
(vi) Rafflesia

42.86% studentsanswered this correctly

Important Questions on Reproduction in Plants

MEDIUM
7th Foundation
IMPORTANT
NSO Science Olympiad Workbook Grade 7>Chapter 11 - Reproduction in Plants>EXERCISES>Q 7

Refer to the given figure.

Question Image

Which of the labelled parts is the egg cell?

HARD
7th Foundation
IMPORTANT
NSO Science Olympiad Workbook Grade 7>Chapter 11 - Reproduction in Plants>EXERCISES>Q 8

Study the given table and select the correct option.

Methods of reproduction Examples
Budding P
Spore formation Q
Fragmentation R
Vegetative propagation S

 

  P Q R S
(A) Dahlia Spirogyra Rhizopus Begonia
(B) Yeast Rhizopus Spirogyra Begonia
(C) Spirogyra Rhizopus Begonia Dahlia
(D) Dahlia Yeast Spirogyra Rhizopus
MEDIUM
7th Foundation
IMPORTANT
NSO Science Olympiad Workbook Grade 7>Chapter 11 - Reproduction in Plants>EXERCISES>Q 9
Anushka bagged four different kinds of flowers on the potted plants as shown below and left them undisturbed. Which of these four flowers is most likely to produce fruits and seeds?
MEDIUM
7th Foundation
IMPORTANT
NSO Science Olympiad Workbook Grade 7>Chapter 11 - Reproduction in Plants>EXERCISES>Q 10
Consider the following statements and select the option which correctly identifies true T and false F ones.
(i) Ovary ripens to form seed and ovule ripens to form fruit after fertilisation.
(ii) Seed dispersed through water usually develops floating ability in the form of a spongy or fibrous outer coat as in coconut.
(iii) Pollination occurs before fertilisation.
(iv) Cutting, layering, grafting and tissue culture are the natural methods of vegetative propagation.
  (i) (ii) (iii) (iv)
(A) (F) (F) (T) (F)
(B) (F) (T) (T) (F)
(C) (T) (T) (T) (F)
(D) (F) (T) (T) (T)
MEDIUM
7th Foundation
IMPORTANT
NSO Science Olympiad Workbook Grade 7>Chapter 11 - Reproduction in Plants>EXERCISES>Q 11
The given table lists some plants and their reproductive structures.
Plants Reproductive structures

Bean plant

X 

Onion

Seeds

Spores

Y

What should be at X and Y?

MEDIUM
7th Foundation
IMPORTANT
NSO Science Olympiad Workbook Grade 7>Chapter 11 - Reproduction in Plants>EXERCISES>Q 12
Read the given passage.
The flowers of X plant contain either stamen or pistil while flowers of plant Y contain both stamens as well as pistil.
Select the correct statement regarding X and Y.
MEDIUM
7th Foundation
IMPORTANT
NSO Science Olympiad Workbook Grade 7>Chapter 11 - Reproduction in Plants>EXERCISES>Q 13

Refer to the given flow chart and select the option which correctly identifies X, Y and Z.

Question Image

  X Y Z
(A) Moss Bryophyllum Maize
(B) Moss Pineapple Begonia
(C) Bryophyllum Begonia Moss
(D) Moss Papaya Pineapple
MEDIUM
7th Foundation
IMPORTANT
NSO Science Olympiad Workbook Grade 7>Chapter 11 - Reproduction in Plants>EXERCISES>Q 14
Read the given statements (i-iv) with one or two blanks and select the option that correctly fills any two of the statements.
(i) In grafting, a cutting having buds from one plant called the ________ is kept over the stem with roots of another plant called the ________.
(ii) Unorganised mass of the cells in the tissue culture is called ________.
(iii) The shoot forming part of embryo is called ________, while the root forming part of embryo is called________.
(iv) The process of fusion of male gamete with the female gamete to form a zygote is called ________.