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Question 1: The number of nuclei in a mature embryo sac are?
A) Eight
B) Seven
C) Six
D) Four
Explanation: Eight
Question 2: The largest cell of the mature embryo sac is
A) Antipodal cells
B) Synergids
C) Central cell
D) Egg cell
Explanation: Central cell
Question 3: The structures which guide the pollen tube into synergid is
A) Antipodals
B) Germ pore
C) Aril
D) Filiform apparatus
Explanation: Filiform apparatus
Question 4: Geitonogamy is
A) Genetically autogamous
B) Ecologically autogamous
C) Genetically allogamous
D) Functionally autogamous
Explanation: Genetically autogamous
Question 5: Which of the following plant provides safe place to insect for laying eggs?
A) Sage plant
B) Amorphophallus
C) Ophrys
D) Mango
Explanation: Amorphophallus
Question 6: Production of seed without fertilization is called
A) Parthenocarpy
B) Parthenogenesis
C) Apomixis
D) Apogamy
Explanation: Apomixis
Question 7: Examples of water pollinated flowers are
A)Zostera, Lotus, Water lily
B) Lotus, Vallisneria, Hydrilla
C) Potamogeton, Vallisneria, Lotus
D) Vallisneria, Hydrilla, Zostera
Explanation: Vallisneria, Hydrilla, Zostera
Question 8: The central cell after triple fusion becomes the
A) PE C
B) PE N
C) Endosperm
D) Embryo
Explanation: PE C
Question 9: The function of the germ pore
A) It allows growth of pollen tube
B) It allows water absorption in seed
C) It helps dehiscence of pollen grain
D) More than one option is correct
Explanation: It allows growth of pollen tube
Question 10: The thin and continuous wall layer of pollen is
A) Exine
B) Intine
C) Germ pore
D) Endothecium
Explanation: Intine
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Question 11: The two-celled stage of mature pollen grain consists of
A) Vegetative cell, generative cell
B) Vegetative cell, one male gamete
C) Two male gametes
D) Generative cell, one male gamete
Explanation: Vegetative cell, generative cell
Question 12: In 40% angiosperms, the pollen grains are shed at
A) Four-celled stage
B) Three-celled stage
C) Two-celled stage
D) Five-celled stage
Explanation: Three-celled stage
Question 13: Pollen allergy is caused by pollens of
A) Rose
B) Clematis
C) Parthenium
D) Sunflower
Explanation: Parthenium
Question 14: The pollen viability period of rice and pea respectively, is
A) 30 minutes and several months
B) Several months and 30 minutes
C) Few days and few months
D) Few days in both the cases
Explanation: 30 minutes and several months
Question 15: Asexual reproduction by zoospores is observed in
A) Penicillium
B) Chlamydomonas
C) Hydra
D) Sponge
Explanation: Amorphophallus
Report Card
Total Questions Attempted: 0
Correct Answers: 0
Wrong Answers: 0
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