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NEET Biology MCQS Mock Test Paper 15

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1 A chromosome with a very short arm and a very long arm is referred to as
✅ Correct Answer: 3
2 A chromosome is the thickest during
✅ Correct Answer: 4
3 The diagrammatic representation of karyotype (morphological representation of chromosomes) of a species is known as
✅ Correct Answer: 4
4 If Bb is a gene pair of an individual then the alleles for this gene pair are
✅ Correct Answer: 4
5 Euchromatin
✅ Correct Answer: 4
6 The point at which polytene chromosomes appear to be attached together is known as
✅ Correct Answer: 4
7 In which typical stage are Lampbrush chromosomes observed?
✅ Correct Answer: 1
8 Each of the chromosome at the anaphase stage of a bone marrow cell in our body has
✅ Correct Answer: 1
9 Rapid heartbeat, shortness of breath, high body temperature are the symptoms of ___________.
✅ Correct Answer: 2
10 Thyroid disorders are often mistaken for this condition.
✅ Correct Answer: 2
11 A 35-years-old female present to the hospital with symptoms of sudden onset of pain in the anterior neck spreading to the jaw from the past 2 days. Other than these symptoms, she also reported a full recovery from ‘a cold a week ago’. Which of the following findings are not consistent with her diagnosis.
✅ Correct Answer: 2
12 A condition marked by low TSH levels is called ___________.
✅ Correct Answer: 3
13 A 30-year old female presents with fatigue, fever, swelling in the neck area along with pain and difficulty in swallowing. Upon diagnosing, tenderness on palpation of thyroid in elicited. The lab reports showed elevated ESR, elevated T4, T3, and thyroglobulin levels. The 24hrs RAIU report is lesser than 5 per cent. What is diagnosed according to the patient’s lab reports?
✅ Correct Answer: 2
14 Which of the following body function is regulated by the thyroid producing hormones?
✅ Correct Answer: 3
15 Rapid heart rate, weight loss, heat sensitivity are most likely the symptoms of _________
✅ Correct Answer: 2
16 Exophthalmic goitre is due to ________.
✅ Correct Answer: 3
17 Which type of epithelium is found in thyroid follicles?
✅ Correct Answer: 3
18  Which of the following is the major causative for Grave’s disease?
✅ Correct Answer: 4
19 In many laboratories, active research is on to comprehend the genetics of apomixis
✅ Correct Answer: 4
20 Apomixis is a form of
✅ Correct Answer: 2
21 Geitonogamy and autogamy both are prevented in which one of these?
✅ Correct Answer: 4
22 In plants, apomixis pertains to plant development
✅ Correct Answer: 3
23 The reason why hybrid seeds have to be produced every year is
✅ Correct Answer: 4
24 In adventive embryony, a type of apomixis, the embryo develops directly from the
✅ Correct Answer: 4
25 Megasporium is equivalent to
✅ Correct Answer: 1
26 One of these statements about apomixis is incorrect
✅ Correct Answer: 2
27 This about apomixis is true:
✅ Correct Answer: 4
28 The difference between perisperm and endosperm is that perisperm:
✅ Correct Answer: 3
29 Haemophilia is caused by
✅ Correct Answer: 3
30 This is a complication of haemophilia
✅ Correct Answer: 4
31 In patients with haemophilia, which of these can increase the risk of cerebral microbleeds?
✅ Correct Answer: 4
32 This disease falls under the same category as colourblindness in man
✅ Correct Answer: 4
33 This is ineffective against antibiotics
✅ Correct Answer: 3
34 This lacks in patients with haemophilia A
✅ Correct Answer: 3
35 Rarely females experience the physiological defect of haemophilia as they do so only when they are
✅ Correct Answer: 3
36 Haemophilia is
✅ Correct Answer: 1
37 Haemophilia is as a result of a lack of
✅ Correct Answer: 3
38  The reason why haemophilia is more commonly observed in human males than in females is due to
✅ Correct Answer: 2
39 Which of the following factors promotes the opening of the stomatal aperture?
✅ Correct Answer: 3
40 Which of the following is made of dead cells?
✅ Correct Answer: 2
41 Which of the following statement are true about the Tyloses – the balloon-shaped structures?
✅ Correct Answer: 4
42 Which of the following events takes place in a ring girdled plant?
✅ Correct Answer: 3
43 This is one of the most recent and valid explanations for stomatal movements.
✅ Correct Answer: 4
44 Which of the following are the primary water-conducting elements of xylem in gymnosperms?
✅ Correct Answer: 3
45 Which of the following is not a lateral meristem?
✅ Correct Answer: 3
46 In monocots, grafting is not possible as _________
✅ Correct Answer: 3
47 Vascular bundles are closed in monocots as:
✅ Correct Answer: 3
48 Difference between heartwood and sapwood is that heartwood
✅ Correct Answer: 2
49 DNA fingerprinting recognizes the differences in
✅ Correct Answer: 4
50 This force can stabilize a DNA double-helix 
✅ Correct Answer: 1
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