Inhibitory substances in dormant seeds cannot be removed by subjecting seeds to:

NEET-(Oct)2020 Plant-Growth-and-Development [class-xi ]

• Gibberellic acid
• Nitrate
• Ascorbic acid
• Chilling conditions
Correct Option: C  [ Ascorbic acid ]

Remark:

Match the following concerning the activity/function and the phytohormone involved:

NEET-(Oct)2020 Plant-Growth-and-Development [class-xi ]

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

Remark:

A species which was introduced for ornamentation but has become a trouble-some weed in India:

NEET-(Oct)2020 Plant-Growth-and-Development [class-xi ]

• Parthenium hysterophorus
• Eichhornia crassipes
• Prosopis juliflora
• Trapa spinosa
Correct Option: B  [ Eichhornia crassipes ]

Remark:

Intrinsic factor that helps in the absorption of vitamin B₁₂ is secreted by:

NEET-(Oct)2020 Digestion-and-Absorption [class-xi ]

• Goblet cells
• Hepatic cells
• Oxyntic cells
• Chief cells
Correct Option: C  [ Oxyntic cells ]

Remark:

The proteolytic enzyme rennin is found in:

NEET-(Oct)2020 Digestion-and-Absorption [class-xi ]

• Intestinal juice
• Bile juice
• Gastric juice
• Pancreatic juice
Correct Option: C  [ Gastric juice ]

Remark:

The Total Lung Capacity (TLC) is the total volume of air accomodated in the lungs at the end of a forced inspiration. This includes:

NEET-(Oct)2020 Breathing-and-Exchange-of-Gases [class-xi ]

• RV; IC (Inspiratory Capacity); EC (Expiratory Capacity); and ERV
• RV; ERV; IC and EC
• RV; ERV; VC (Vital Capacity) and FRC (Functional Residual Capacity)
• RV (Residual Volume); ERV (Expiratory Reserve Volume); TV (Tidal Volume); and IRV (Inspiratory Reserve Volume)
Correct Option: D  [ RV (Residual Volume); ERV (Expiratory Reserve Volume); TV (Tidal Volume); and IRV (Inspiratory Reserve Volume) ]

Remark:

Match the following columns and select the correct option :

NEET-(Oct)2020 Breathing-and-Exchange-of-Gases [class-xi ]

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

Remark:

According to Central Pollution Control Board [CPCB] what size (in diameter) of particulate is responsible for causing greater harm to human health ?

NEET-(Oct)2020 Breathing-and-Exchange-of-Gases [class-xi ]

• 3.5 micrometers
• 2.5 micrometers
• 4.0 micrometers
• 3.0 micrometers
Correct Option: B  [ 2.5 micrometers ]

Remark:

Which of the following conditions cause erythroblastosis foetalis ?

NEET-(Oct)2020 Body-Fluids-and-Circulation [class-xi ]

• Mother Rh^+ve and foetus Rh^–ve
• Mother Rh^–ve and foetus Rh^+ve
• Both mother and foetus Rh^–ve
• Both mother and foetus Rh^+ve
Correct Option: B  [ Mother Rh^–ve and foetus Rh^+ve ]

Remark:

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

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

• Only(II)
• (III) and (IV)
• (I), (II) and (III)
• (I) and (II)
Correct Option: D  [ (I) and (II) ]

Remark: