Which are correct:
Choose the correct answer from the options given below:
| A. | Computed tomography and magnetic resonance imaging detect cancers of internal organs. |
| B. | Chemotherapeutic drugs are used to kill non-cancerous cells. |
| C. | \(\alpha\) Interferon activates the cancer patients' immune system and helps in destroying the tumor. |
| D. | Chemotherapeutic drugs are biological response modifiers. |
| E. | In the case of leukemia, blood cell counts decrease. |
| 1. | C and D only | 2. | A and C only |
| 3. | B and D only | 4. | D and E only |
Subtopic: Cancer |
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Level 2: 60%+
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What are the potential drawbacks in adoption of the IVF method?
Choose the correct answer from the options given below:
| A. | High fatality risk to mother |
| B. | Expensive instruments and reagents |
| C. | Husband/wife necessary for being donors |
| D. | Less adoption of orphans |
| E. | Not available in India |
| F. | Possibility that the early embryo does not survive |
| 1. | A, B, C, D only | 2. | A, B, C, E, F only |
| 3. | B, D, F only | 4. | A, C, D, F only |
Subtopic: Infertility |
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Consider the following:
Choose the correct answer from the options given below:
1. B and D are true
2. B and C are true
3. A and B are true
4. A and C are true
| A. | The reductive division for the human female gametogenesis starts earlier than that of the male gametogenesis. |
| B. | The gap between the first meiotic division and the second meiotic division is much shorter for males compared to females. |
| C. | The first polar body is associated with the formation of the primary oocyte. |
| D. | Luteinizing Hormone (LH) surge leads to disintegration of the endometrium and onset of menstrual bleeding. |
1. B and D are true
2. B and C are true
3. A and B are true
4. A and C are true
Subtopic: Menstrual Cycle | oogenesis |
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In bryophytes, the gemmae help in which one of the following?
| 1. | Nutrient absorption | 2. | Gaseous exchange |
| 3. | Sexual reproduction | 4. | Asexual reproduction |
Subtopic: Bryophytes |
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Given below are two statements : one is labelled as Assertion (A) and the other is labelled as Reason (R).
In the light of the above statements, choose the correct answer from the options given below :
| Assertion (A): | The primary function of the Golgi apparatus is to package the materials made by the endoplasmic reticulum and deliver it to intracellular targets and outside the cell. |
| Reason (R): | Vesicles containing materials made by the endoplasmic reticulum fuse with the cis face of the Golgi apparatus, and they are modified and released from the trans face of the Golgi apparatus. |
| 1. | (A) is True but (R) is False. |
| 2. | (A) is False but (R) is True. |
| 3. | Both (A) and (R) are True and (R) is the correct explanation of (A). |
| 4. | Both (A) and (R) are True but (R) is not the correct explanation of (A). |
Subtopic: Golgi Apparatus |
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Which one of the following statements refers to Reductionist Biology?
| 1. | Chemical approach to study and understand living organisms |
| 2. | Behavioural approach to study and understand living organisms |
| 3. | Physico-chemical approach to study and understand living organisms |
| 4. | Physiological approach to study and understand living organisms |
Subtopic: Introduction to Botany |
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After maturation, in primary lymphoid organs, the lymphocytes migrate for interaction with antigens to secondary lymphoid organ(s) / tissue(s) like:
Choose the correct answer from the options given below:
| A. | thymus |
| B. | bone marrow |
| C. | spleen |
| D. | lymph nodes |
| E. | Peyer's patches |
| 1. | E, A, B only | 2. | C, D, E only |
| 3. | B, C, D only | 4. | A, B, C only |
Subtopic: Human Immune System |
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Match List-I with List-II:
Choose the options with all correct matches.
1. A-III, B-IV, C-II, D-I
2. A-III, B-II, C-IV, D-I
3. A-III, B-II, C-I, D-IV
4. A-III, B-I, C-II, D-IV
| List-I | List-II | ||
| A. | The Evil Quartet | I. | Cryopreservation |
| B. | Ex-situ | II. | Alien species invasion |
| C. | Lantana camara | III. | Causes of biodiversity losses |
| D. | Dodo | IV. | Extinction |
1. A-III, B-IV, C-II, D-I
2. A-III, B-II, C-IV, D-I
3. A-III, B-II, C-I, D-IV
4. A-III, B-I, C-II, D-IV
Subtopic: Loss of Biodiversity | Biodiversity Conservation |
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How many meiotic and mitotic divisions need to occur for the development of a mature female gametophyte from the megaspore mother cell in an angiosperm plant?
1. 1 Meiosis and 3 Mitosis
2. No Meiosis and 2 Mitosis
3. 2 Meiosis and 3 Mitosis
4. 1 Meiosis and 2 Mitosis
1. 1 Meiosis and 3 Mitosis
2. No Meiosis and 2 Mitosis
3. 2 Meiosis and 3 Mitosis
4. 1 Meiosis and 2 Mitosis
Subtopic: Pistil: Female Gametophyte |
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Which of the following type of immunity is present at the time of birth and is a non-specific type of defence in the human body?
1. Cell-mediated Immunity
2. Humoral Immunity
3. Acquired Immunity
4. Innate Immunity
1. Cell-mediated Immunity
2. Humoral Immunity
3. Acquired Immunity
4. Innate Immunity
Subtopic: Active & Passive Immunity |
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