Daily Botany Quiz for Group 4 Exam : 17/05/2019

1) The yellowing of leaf is caused by the deficiency of

a) iron

b) cobalt

c) copper

*d) zinc

2) Identify the correct sequence of evolution in plants :

a) Pteridophyte – Gymnosperms – Thallophyte - Byophyte

b) Gymnosperms – Pteridophyte – Bryophyte – Thallophyte.

c) Bryophyte – Pteridophyte – Gymnosperms - Thallophyte

*d) Thallophyte – Bryophyte – Pteridophyte - Gymnosperms

3) The vascular bundles arranged in a cycas petiole is

a) T – shaped

b) L – shaped

c) C – shaped

*d) inverted omega (ᶷ) shaped

4) Which one of these is correctly matched?

*a) Paddy -Blast disease

b) Sugarcane -Ring disease

c) Potato -Leaf spot

d) Groundnut - Red rot

5) When the soil is rich in organic debris, it is known as

*a) Humus soil

b) Clayey soil

c) Loam soil

d) Organic soil

6) A plant growing inside another plant of different species symbiotically is called

a) Parasite

b) Saprophyte

c) Semi - parasite

*d) Endophyte

7) “Survival of the fittest” was proposed in his theory of evolution by

*a) Darwin

b) Mendel

c) Lamarck

d) De Vries.

8) In rice polish which is left as a residue

a) is of no value

b) has the same nutritive value

c) twice as nutritious as rice

*d) none of the above.

9) This pteridophyte produces two kinds of spores

a) lycopodium

*b) selaginella

c) psilotum

d) adiantum

10) Lepidodendron is a fossil which represents

a) root

*b) stem

c) fruit

d) leaf