What is the direction of movement of sugars in phloem?

NEET-2019 [Transport-in-Plants] [class-xi ]

• Non-multidirectional
• Upward
• Bi-directional
• Downward
Correct Option: C  [ Bi-directional ]

Remark:

Thiobacillus is a group of bacteria helpful in carrying out:

NEET-2019 [Mineral-Nutrition] [class-xi ]

• Denitrification
• Nitrogen fixation
• Chemoautotrophic fixation
• Nitrification
Correct Option: A  [ Denitrification ]

Remark:

Respiratiory Quotient (RQ) value of tripalmitin is:

NEET-2019 [Respiration-in-Plants] [class-xi ]

• 0.9
• 0.07
• 0.7
• 0.09
Correct Option: C  [ 0.7 ]

Remark:

It takes very long time for pineapple plants to produce flowers. Which combination of hormones can be applied to artificially induce flowering in pineapple plants throughout the year to increase yield?

NEET-2019 [Plant-Growth-and-Development] [class-xi ]

• Gibberellin and Cytokinin
• Gibberellin and Abscisic acid
• Cytokinin and Abscisic acid
• Auxin and Ethylene
Correct Option: D  [ Auxin and Ethylene ]

Remark:

What is the site of perception of photoperiod necessary for induction of flowering in plants:

NEET-2019 [Plant-Growth-and-Development] [class-xi ]

• Lateral buds
• Pulvinus
• Leaves
• Shoot apex
Correct Option: C  [ Leaves ]

Remark:

Match the following structures with their respective location in organs:

NEET-2019 [Digestion-and-Absorption] [class-xi ]

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

Remark:

Identify the cells whose secretion protects the lining of gastro-intestinal tract from various enzymes:

NEET-2019 [Digestion-and-Absorption] [class-xi ]

• Duodenal Cells
• Oxyntic Cells
• Goblet Cells
• Chief Cells
Correct Option: C  [ Goblet Cells ]

Remark:

Tidal Volume and Expiratory Reserve Volume of an athlete is 500 mL and 1000 mL respectively. What will be his Expiratory Capacity if the Residual Volume is 1200 mL?

NEET-2019 [Breathing-and-Exchange-of-Gases] [class-xi ]

• 1700 mL
• 2200 mL
• 2700 mL
• 1500 mL
Correct Option: D  [ 1500 mL ]

Remark:

Which would be the heart rate of a person if the cardiac output is 5L, blood volume in the ventricles at the end of diastole is 100 mL and at the end of ventricular systole is 50 mL?

NEET-2019 [Body-Fluids-and-Circulation] [class-xi ]

• 50 beats per minute
• 100 beats per minute
• 75 beats per minute
• 125 beats per minute
Correct Option: B  [ 100 beats per minute ]

Remark:

Match the Column - I with Column -II

NEET-2019 [Body-Fluids-and-Circulation] [class-xi ]

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

Remark: