Which of the following is associated with a decrease in cardiac output?

1. Sympathetic nerves

2. Parasympathetic neural signals

3. Pneumotaxic center

4. Adrenal medullary hormones

Subtopic:  Regulation of Cardiac Activity |
 82%
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Which of the following conditions causes erythroblastosis fetalis?

1. Mother Rh+ve and fetus Rh-ve

2. Mother Rh-ve and fetus Rh+ve

3. Both mother and fetus Rh-ve

4. Both mother and fetus Rh+ve

Subtopic:  Blood: Blood Group |
 87%
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The increase in osmolarity from outer to inner medullary interstitium is maintained due to:

(i) Close proximity between Henle's loop and vasa recta
(ii) Counter current mechanism
(iii) Selective secretion of HCO3¯ and hydrogen ions in PCT
(iv) Higher blood pressure in glomerular capillaries

1. Only (ii) 2. (iii) and (iv)
3. (i), (ii) and (iii) 4. (i) and (ii)
Subtopic:  Concentration of Urine: I |
 61%
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Select the correct statement:

1. Atrial Natriuretic Factor increases the blood pressure.
2. Angiotensin II is a powerful vasodilator.
3. Counter current pattern of blood flow is not observed in vasa recta.
4. Reduction in Glomerular Filtration Rate activates JG cells to release renin. 

Subtopic:  Autoregulation of GFR |
 80%
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Match the following columns and select the correct option:

Column I Column II
(a) Gout  (i) Decreased levels of estrogen
(b) Osteoporosis  (ii) Low Ca++ ions in the blood
(c) Tetany (iii) Accumulation of uric acid crystals
(d) Muscular dystrophy  (iv) Autoimmune disorder
(v) Genetic disorder
 
Options: (a) (b) (c) (d)
1. (ii) (i) (iii) (iv)
2. (iii) (i) (ii) (v)
3. (iv) (v) (i) (ii)
4. (i) (ii) (iii) (iv)
Subtopic:  Disorders of Muscular and Skeletal System |
 89%
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Match the following columns and select the correct option:

Column I Column II
(a) Rods and cones (i) Absence of Cones photoreceptor cells
(b) Blind Spot      (ii) Cones are densely packed
(c) Fovea        (iii) Photoreceptor cells
(d) Iris  (iv) Visible coloured portion of the eye
 

Options: (a) (b) (c) (d)
1. (iii) (i) (ii) (iv)
2. (ii) (iii) (i) (iv)
3. (iii) (iv) (ii) (i)
4. (ii) (iv) (iii) (i)

Subtopic:  Basic Anatomy of Human Eye: 1 (OLD NCERT) | Human Eye (OLD NCERT) |
 87%
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Match the following columns and select the correct option:

Column-I Column-II
(a) Pituitary hormone (i) Steroid
(b) Epinephrine (ii) Neuropeptides
(c) Endorphins (iii) Peptides, proteins
(d) Cortisol (iv) Biogenic amines
 
(a) (b) (c) (d)
1. (iv) (i) (ii) (iii)
2. (iii) (iv) (ii) (i)
3. (iv) (iii) (i) (ii)
4. (iii) (iv) (i) (ii)
Subtopic:  Mechanism of Hormone Action |
 82%
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Hormones stored and released from neurohypophysis are:

1. Thyroid-stimulating hormone and Oxytocin

2. Oxytocin and Vasopressin

3. Follicle-stimulating hormone and luteinizing hormone

4. Prolactin and Vasopressin

Subtopic:  Pituitary & Hypothalamus |
 89%
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NEET - 2020
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Vegetative propagule in Agave is:

1. Rhizome 2. Bulbil
3. Offset 4. Eye
Subtopic:  Asexual Reproduction |
 91%
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In some plants, the thalamus contributes to fruit formation. Such fruits are termed as:

1. False fruits

2. Aggregate fruits

3. True fruits

4. Parthenocarpic fruits

Subtopic:  Seed |
 90%
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