- 1(current)
Q. No.Which of the following statements is INCORRECT?
| 1. | Cockroaches exhibit mosaic vision with less sensitivity and more resolution |
| 2. | A mushroom-shaped gland is present in the 6th-7th abdominal segments of male |
| 3. | A pair of spermatheca is present in the 6th segment of female cockroach |
| 4. | Female cockroach possesses sixteen ovarioles in the ovaries |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyWhich of the following statement is correct with reference to the cockroach eye?
1. Both eyes together consist of about 2000 hexagonal ommatidia
2. Its vision has more sensitivity but less resolution
3. Mosaic vision is not found due to diurnal habit
4. Compound eyes are situated at the vertex region of the head
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyVisual units that compose the compound eyes of
insects are called
(1) Osphradia
(2) Ommatidia
(3) Onchospheres
(4) Odontophore
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyThe night vision of cockroach is
(1) More sensitivity but less resolution
(2) Less sensitivity but more resolution
(3) Both sensitivity and resolution are high
(4) Both sensitivity and resolution are low
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyChoose the incorrect match with respect to total number of following structures in cockroach
1. Spiracles – 10 pairs
2. Gastric caeca – 6-8
3. Malpighian tubules – 100-150
4. Ommatidia – 2000
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyThe central nervous system of cockroach includes
1. Brain and ganglionated dorsal nerve cord
2. Brain and ganglionated ventral nerve cord
3. Brain and hollow nerve cord
4. Dorsal solid nerve cord only
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologySense organs of cockroach include
1. Compound eyes
2. Johnston's organ
3. Osphradium
4. Spiracles
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyOmmatidia serve the purpose of photoreception in:
1. Cockroach
2. Frog
3. Humans
4. Sunflower
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyGiven below are two statements: One is labelled as Assertion (A) and the other is labelled as Reason (R) .
| Assertion (A): | With the help of several ommatidia, a cockroach can perceive several images of an object, i.e., mosaic vision |
| Reason (R): | Mosaic vision gives more sensitivity but less resolution |
In the light of the above statements, choose the most appropriate answer from the options given below:
| 1. | (A) is correct but (R) is not correct. |
| 2. | (A) is not correct but (R) is correct. |
| 3. | Both (A) and (R) are correct and (R) is the correct explanation of (A). |
| 4. | Both (A) and (R) are correct but (R) is not the correct explanation of (A). |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyReason (R): They have several ommatidia.
1. Both (A) and (R) are true and (R) is the correct explanation of (A).
2. Both (A) and (R) are true, but (R) is not the correct explanation of (A).
3. (A) is true, but (R) is false.
4. (A) is false, but (R) is true.
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology- 1(current)
Q. No.
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