Q. No.Which of the following is made up of dead cells?
1. Collenchyma
2. Phellem
3. Phloem
4. Xylem parenchyma
Subtopic: Activity of Cork Cambium |
69%
NEET - 2017
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Subtopic: Algae |
89%
From NCERT
NEET - 2017
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Match the following sexually transmitted diseases (Column-I) with their causative agent (Column-II) and select the correct option:
1. (a)-(iii), (b)-(iv), (c)-(i), (d)-(ii)
2. (a)-(iv), (b)-(ii), (c)-(iii), (d)-(i)
3. (a)-(iv), (b)-(iii), (c)-(ii), (d)-(i)
4. (a)-(ii), (b)-(iii), (c)-(iv), (d)-(i)
| Column I | Column II | ||
| (a) | Gonorrhea | (i) | HIV |
| (b) | Syphilis | (ii) | Neisseria |
| (c) | Genital Warts | (iii) | Treponema |
| (d) | AIDS | (iv) | Human Papilloma-Virus |
1. (a)-(iii), (b)-(iv), (c)-(i), (d)-(ii)
2. (a)-(iv), (b)-(ii), (c)-(iii), (d)-(i)
3. (a)-(iv), (b)-(iii), (c)-(ii), (d)-(i)
4. (a)-(ii), (b)-(iii), (c)-(iv), (d)-(i)
Subtopic: Sexually Transmitted Infections |
77%
NEET - 2017
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Double fertilization is:
| 1. | Fusion of two male gametes of a pollen tube with two different eggs |
| 2. | Fusion of one male gamete with two polar nuclei |
| 3. | Fusion of two male gametes with one egg |
| 4. | Syngamy and triple fusion |
Subtopic: Double Fertilization |
84%
From NCERT
NEET - 2018
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The mechanism that causes a gene to move from one linkage group to another is called?
1. inversion
2. duplication
3. translocation
4. crossing-over
Subtopic: Understanding Linkage |
71%
NEET - 2016
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The difference between spermiogenesis and spermiation is?
| 1. | In spermiogenesis, spermatids are formed, while in spermiation, spermatozoa are formed. |
| 2. | In spermiogenesis, spermatozoa are formed, while in spermiation, spermatids are formed. |
| 3. | In spermiogenesis, spermatozoa from Sertoli cells are released into the cavity of seminiferous tubules, while in spermiation, spermatozoa are formed. |
| 4. | In spermiogenesis, spermatozoa are formed, while in spermiation, spermatozoa are released from Sertoli cells into the cavity of seminiferous tubules. |
Subtopic: Spermiogenesis/Sperm Structure/Hormonal Regulation |
77%
From NCERT
NEET - 2018
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The primary producers of the deep-sea hydrothermal vent ecosystem are:
1. green algae
2. chemosynthetic bacteria
3. blue-green algae
4. coral reefs
Subtopic: Energy Flow |
74%
NEET - 2016
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Which part of poppy plant is used to obtain the drug Smack?
| 1. | Flowers | 2. | Latex |
| 3. | Roots | 4. | Leaves |
Subtopic: Drugs & Alcohol Abuse |
83%
From NCERT
NEET - 2018
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Select the correct route for the passage of sperms in male frogs:
| 1. | Testes → Vasa efferentia → Kidney → Seminal Vesicle → Urinogenital duct → Cloaca |
| 2. | Testes → Vasa efferentia → Bidder's canal → Ureter → Cloaca |
| 3. | Testes → Vasa efferentia → Kidney → Bidder's canal → Urinogenital duct → Cloaca |
| 4. | Testes → Bidder's canal→ Kidney→ Vasa efferentia → Urinogenital duct→ Cloaca |
Subtopic: Frogs: Anatomy (Excretory System) | Frogs: Anatomy (Male Reproductive System) |
63%
From NCERT
NEET - 2017
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Which of the following is an amino acid derived hormone?
1. Epinephrine
2. Ecdysone
3. Estradiol
4. Estriol
1. Epinephrine
2. Ecdysone
3. Estradiol
4. Estriol
Subtopic: Mechanism of Hormone Action |
90%
From NCERT
NEET - 2018
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