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Reproduction-Sexual Reproduction in Flowering Plants [AIIMS (All India Institute of Medical Sciences) Biology]: Questions 92 - 98 of 132
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Question 92
Appeared in Year: 2001
Question MCQ▾
Through which route the pollen tube enters the ovule [MP PMT]
Choices
Choice (4) | Response | |
---|---|---|
a. | Funiculus | |
b. | Any of these | |
c. | Micropyle | |
d. | Chalaza |
Question 93
Appeared in Year: 2004
Question MCQ▾
Entry of pollen tube through micropyle is:- [Jharkhand]
Choices
Choice (4) | Response | |
---|---|---|
a. | Porogamy | |
b. | Semigamy | |
c. | Chalazogamy | |
d. | Mesogamy |
Question 94
Appeared in Year: 2005
Question MCQ▾
When vegetative cells of sporophyte form an embryo it is called [Uttaranchal PMT]
Choices
Choice (4) | Response | |
---|---|---|
a. | Adventive embryony | |
b. | Apospory | |
c. | Apogamy | |
d. | Apomixis |
Question 95
Appeared in Year: 2005
Question MCQ▾
When seed germinates, while the fruit is attached to parent plant, it is called [Uttaranchal PMT, C. G. 06]
Choices
Choice (4) | Response | |
---|---|---|
a. | Parthenocarpy | |
b. | Apomixis | |
c. | Parthenogenesis | |
d. | Vivipary |
Question 96
Appeared in Year: 2003
Question MCQ▾
Double fertilization was discovered by [MP PMT]
Choices
Choice (4) | Response | |
---|---|---|
a. | S. G. Nawaschin | |
b. | Strasburger | |
c. | Robert Brown | |
d. | Purkinje |
Question 97
Appeared in Year: 2005
Question MCQ▾
Pollinia are present in family [Uttaranchal PMT]
Choices
Choice (4) | Response | |
---|---|---|
a. | Asclepiadaceae | |
b. | Malvaceae | |
c. | Brassicaceae | |
d. | Cucurbitaceae |
Question 98
Appeared in Year: 2004
Question MCQ▾
The pollen tube usually enters the embryosac:
Choices
Choice (4) | Response | |
---|---|---|
a. | By knocking off the antipodal cells | |
b. | Between 1 synergid and central cell | |
c. | By directly penetrating the egg | |
d. | Through one of the synergids |