Olympiad – Class VII – Science - Bio - Reproduction and Growth in Plants

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Question - 1

Which of the following plants reproduce in the same way as sugarcane

i) Bryophyllum
(ii) Rose
(iii) Hibiscus
  • A (i) and (ii) only
  • B (i) and (iii) only
  • C (ii) and (iii) only
  • D (i), (ii) and (iii)

Question - 2

Which of these labelled parts form the carpel

  • A P and Q only
  • B P,Q and R only
  • C S and T only
  • D S,T and R only

Question - 3

Why must seeds be dispersed far away from the parent plant?

i) To ensure the survival of the species
(ii) To avoid competition for sunlight
(iii) Because plants can move by themselves
(iv) To ensure plants obtain sufficient space for growth
  • A  (i) and (ii) only
  • B (iii) and (iv) only
  • C (i), (ii) and (iv) only
  • D (i), (ii), (iii) and (iv)

Question - 4

What happens after the given stage 

  • A  The ovary splits open.
  • B Ovary develops into a fruit and ovules into seeds.
  • C The ovules are dispersed
  • D Germination of seeds take place

Question - 5

Abhi cut the potato into sections as shown below

  • A  P and Q only
  • B P ,Q and R only
  • C S and T only
  • D S ,T and R only

Question - 6

Which type of reproduction is shown in the diagram given below?

  • A Binary fission
  • B Fragmentation
  • C Sporulation
  • D Budding

Question - 7

The table given below shows the various, ways in which plants reproduce

Plants Ways of Reproduction
Xanthium Z
X Spores
Potato Y

Which of the following would you place in X,Y and Z?

  • A X Y Z Seeds Suckers Spore
  • B X Y Z Maple Eyes Seeds
  • C X Y Z Mucor Eyes Seeds
  • D X Y Z Drumstick Spores Suckers

Question - 8

Which organism is described in the information given below

(i) Respire anaerobically
(ii) Used to make wine
(iii) Reproduces by budding
  • A Potato
  • B Grapes
  • C Yeast
  • D Mucor

Question - 9

Which of the following parts of the flower shown below are the anther and stigma respectively?

  • A K, L
  • B L,M
  • C M,N
  • D N, K

Question - 10

Which of the following seeds is NOT dispersed by wind?

  • A P
  • B Q
  • C R
  • D S