Select the correct statement:

NEET-(Oct)2020 [Excretory-Products-and-their-Elimination] [class-xi ]

• Atrial Natriuretic Factor increases the blood pressure.
• Angiotensin II is a powerful vasodilator.
• Counter current pattern of blood flow is not observed in vasa recta.
• Reduction in Glomerular Filtration Rate activates JG cells to release renin.
Correct Option: D  [ Reduction in Glomerular Filtration Rate activates JG cells to release renin. ]

Remark:

Select the incorrectly matched pair from following:

NEET-(Oct)2020 [Locomotion-and-Movement] [class-xi ]

• Chondrocytes - Smooth muscle cells
• Neurons - Nerve cells
• Fibroblast - Areolar tissue
• Osteocytes - Bone cells
Correct Option: A  [ Chondrocytes - Smooth muscle cells ]

Remark:

Match the following columns and select the correct option:

NEET-(Oct)2020 [Locomotion-and-Movement] [class-xi ]

• (A)-(II), (B)-(I), (C)-(III), (D)-(IV)
• (A)-(III), (B)-(I), (C)-(II), (D)-(V)
• (A)-(IV), (B)-(V), (C)-(I), (D)-(II)
• (A)-(I), (B)-(II), (C)-(III), (D)-(IV)
Correct Option: B  [ (A)-(III), (B)-(I), (C)-(II), (D)-(V) ]

Remark:

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

NEET-(Oct)2020 [Neural-Control-and-Coordination] [class-xi ]

• Sympathetic nerves
• Parasympathetic neural signals
• Pneumotaxic centre
• Adrenal medullary hormones
Correct Option: B  [ Parasympathetic neural signals ]

Remark:

Match the following columns and select the correct option:

NEET-(Oct)2020 [Neural-Control-and-Coordination] [class-xi ]

• (A)-(III), (B)-(I), (C)-(II), (D)-(IV)
• (A)-(II), (B)-(III), (C)-(I), (D)-(IV)
• (A)-(III), (B)-(IV), (C)-(II), (D)-(I)
• (A)-(II), (B)-(IV), (C)-(III), (D)-(I)
Correct Option: A  [ (A)-(III), (B)-(I), (C)-(II), (D)-(IV) ]

Remark:

Match the following columns and select the correct option:

NEET-(Oct)2020 [Chemical-Coordination-and-Integration] [class-xi ]

• (A)-(IV), (B)-(I), (C)-(II), (D)-(III)
• (A)-(III), (B)-(IV), (C)-(II), (D)-(I)
• (A)-(IV), (B)-(III), (C)-(I), (D)-(II)
• (A)-(iii), (B)-(IV), (C)-(I), (D)-(II)
Correct Option: B  [ (A)-(III), (B)-(IV), (C)-(II), (D)-(I) ]

Remark:

Hormones stored and released from neurohypophysis are:

NEET-(Oct)2020 [Chemical-Coordination-and-Integration] [class-xi ]

• Thyroid stimulating hormone and Oxytocin
• Oxytocin and Vasopressin
• Follicle stimulating hormone and Leutinizing hormone
• Prolactin and Vasopressin
Correct Option: B  [ Oxytocin and Vasopressin ]

Remark:

Vegetative propagule in Agave is termed as:

NEET-(Oct)2020 [Reproduction-in-Organisms] [class-xii ]

• Rhizome
• Bulbil
• Offset
• Eye
Correct Option: B  [ Bulbil ]

Remark:

Which of the following is incorrect for wind-pollinated plants?

NEET-(Oct)2020 [Sexual-Reproduction-in-Flowering-Plants] [class-xii ]

• Well exposed stamens and stigma
• Many ovules in each ovary
• Flowers are small and not brightly coloured
• Pollen grains are light and non-sticky
Correct Option: B  [ Many ovules in each ovary ]

Remark:

In some plants thalamus contributes to fruit formation. Such fruits are termed as:

NEET-(Oct)2020 [Sexual-Reproduction-in-Flowering-Plants] [class-xii ]

• False fruits
• Aggregate fruits
• True fruits
• Parthenocarpic fruit
Correct Option: A  [ False fruits ]

Remark: