1. Which one of the following statement regarding anther is incorrect
1) Endothecium has fibrous thickenings helps in dehiscence of pollen sacs
2) Outer most layer of anther wall is tapetum
3) Epidermis of anther bears stomium
4) Formation of microspores from microspore mother cells is called micro sporogenesis
2. Identify the mismatch
1) Exine - sporo pollenin 2) Intine - cellulose and pectin
3) Pollengrain - shed at 2- celled stage
4) Generative cell - produces 3 male gametes
3. Which one of the following statement is incorrect
1) Integuments covers ovule and leaves a pore called micropyle
2) Basal part of the ovule is chalaza
3) Ategmic ovules are present in Loranthus
4) Bitegmic ovules are found in Helianthus
4. Which one of the following statement is incorrect
1) Pollination by water occurs in Vallisneria
2) Pollination by air occurs in grasses
3) Both cleistogamous and chasmogamous flowers found in papaya
4) Geitonogamy is the transfer of pollengrain from anther to stigma of another flower of the same plant
5. Pollination by squirrels is known as
1) Ornithophily 2) Chiropterophily 3) Therophily 4) Entomophily
6. If 10 microspore mother cells are present in each microsporangium of Datura, how many pollen grains are formed from one flower?
1) 400 2) 1000 3) 800 4) 1200
7. In angiosperms all the four microspores of tetrad are covered by a layer which is formed by
1) Pecto cellulose 2) Cellulose 3) Sporo pollenin 4) Callose
8. The arrangement of the nuclei in a normal embryo sac in the dicot plants
1) 3 + 3 + 2 2) 3 + 2 + 3 3) 2 + 3 + 3 4) 2 + 4 + 2
9. Endosperm is consumed by developing embryo in the seed of
1) Coconut 2) Castor 3) Pea 4) Maize
10. Match Column I with Column II
Column - I Column - II
A) Entomophily I) Snakes
B) Ophiophily II) Insects
C) Chiropterophily III) Squirrels
D) Therophily IV) Birds
V) Bats
The correct match is :
1) A-IV, B-I, C-V, D-II
2) A-V, B-IV, C-III, D-I
3) A-II, B-III, C-IV, D-V
4) A-III, B-V, C-I, D-II
11. Match Column I with Column II
Column - I Column - II
A) Protandry I) Gloriosa
B) Herkogamy II) Vallisneria
C) Self - sterility III) Solanum
D) Dicliny IV) Sunflower
V) Abutilon
The correct match is :
1) A-IV, B-I, C-V, D-II
2) A-V, B-IV, C-III, D-I
3) A-II, B-III, C-IV, D-V
4) A-III, B-V, C-I, D-II
12. Match Column I with Column II
Column - I Column - II
A) Synergids I) Resultant product of triple fusion
B) Integuments II) Seed coat
C) Micropyle III) Degenerate during post fertilization
D) PEN IV) Small pore in the seed
V) Filiform apparatus
The correct match is :
1) A-II, B-IV, C-I, D-V
2) A-II, B-V, C-III, D-I
3) A-III, B-II, C-IV, D-I
4) A-III, B-IV, C-II, D-I
KEY: 1-2; 2-4; 3-4; 4-3; 5-3; 6-3; 7-4; 8-2; 9- 3; 10-4; 11-1; 12-3.
Modes of Reproduction
1. Which of the following statement is not correct?
1) Gemmae are the vegetative organs of liverworts
2) Water hyacinth drains oxygen from water which leads to death of fishes
3) Stolons and suckers are the vegetative propagules of jasmine and Chrysanthemum respectively
4) Reunion of fragments is called fragmentation and commonly seen in higher plants
2. Identify the mismatch Plant Flowering
1) Bamboo - 50-100 years
2) Paddy - Once in life span
3) Agave - 10-30 years
4) Strobilanthes - 30-60 years
3. Which one of the following statement is incorrect?
1) Formation of fruit with fertilization is called parthenogenesis
2) External fertilization occurs in algal members
3) Internal fertilization occurs in bryophytes
4) Fusion of male and female gametes produces zygote is called syngamy
4. Identify the wrong match
1) Monoecious - Coconut 2) Dioecious - Date palm
3) Homo gametes - Pteris 4) Hetero gametes - Cycas
KEY: 1-4; 2-4; 3-1; 4-3