NEET (NTA)-National Eligibility cum Entrance Test (Medical) Biology: Questions 2960 - 2965 of 3473
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Question number: 2960
» Reproduction » Sexual Reproduction in Flowering Plants » Pollination-Types, Agencies and Examples
Appeared in Year: 2004
Question
Anthesis is a phenomenon which refers to- [AIPMT]
Choices
| Choice (4) | Response | |
|---|---|---|
| a. | Formation of pollen |
|
| b. | Reception of pollen by stigma |
|
| c. | Development of anther |
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| d. | Opening of flower bud |
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Question number: 2961
» Plant Physiology » Plant Growth and Development » Growth Regulators-Auxin, Gibberellin, Cytokinin, Ethylene, ABA
Appeared in Year: 2002
Question
Seed dormancy is due to the presence of: [AIPMT]
Choices
| Choice (4) | Response | |
|---|---|---|
| a. | Starch |
|
| b. | Abscisic acid |
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| c. | Ethylene |
|
| d. | I. A. A. |
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Question number: 2962
» Reproduction » Sexual Reproduction in Flowering Plants » Special Modes-Apomixis, Parthenocarpy, Polyembryony
Appeared in Year: 2001
Question
Parthenogenesis occurs when: - [RPMT]
Choices
| Choice (4) | Response | |
|---|---|---|
| a. | When embryo is formed by the fusion of egg and sperm |
|
| b. | When sperm produces the embryo directly |
|
| c. | When embryo is formed from another cell |
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| d. | When embryo is formed without the fusion of egg and the sperm |
|
Question number: 2963
» Reproduction » Sexual Reproduction in Flowering Plants » Development of Seed and Formation of Fruit
Appeared in Year: 2010
Question
The scutellum observed in a grain of wheat or maize is comparable to which part of the seed in other monocotyledons? [AIPMT (Pre. ) ]
Choices
| Choice (4) | Response | |
|---|---|---|
| a. | Cotyledon |
|
| b. | Endosperm |
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| c. | Aleurone layer |
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| d. | Plumule |
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Question number: 2964
» Reproduction » Sexual Reproduction in Flowering Plants » Pollination-Types, Agencies and Examples
Appeared in Year: 2011
Question
In which one of the following pollination is autogamous? [AIPMT (Pre. ) ]
Choices
| Choice (4) | Response | |
|---|---|---|
| a. | Xenogamy |
|
| b. | Geitonogamy |
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| c. | Chasmogamy |
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| d. | Cleistogamy |
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Question number: 2965
» Reproduction » Sexual Reproduction in Flowering Plants » Double Fertilization
Appeared in Year: 2011
Question
Filiform apparatus is a characteristic feature of [AIPMT (Pre. ) ]
Choices
| Choice (4) | Response | |
|---|---|---|
| a. | Suspensor |
|
| b. | Egg |
|
| c. | Zygote |
|
| d. | Synergid |
|