1.
Auxanometer is used to detect
A
Respiration
B
Transpiration
C
Plant movement
D
Growth
Answer :
Growth
Discuss Question
No explanation is given for this question. Let's discuss the answer together.
2.
Water from the soil enter in to the hairs on account of
A
Turgor pressure
B
Suction pressure or DPD
C
Barometric pressure
D
Osmotic pressure
Answer :
Suction pressure or DPD
Discuss Question
No explanation is given for this question. Let's discuss the answer together.
3.
Which o f the following theory gives the latest explanation for closure of stomata
A
ABA theory
B
Munch theory
C
Starch- glucose theory
D
Active K+ transport theory
Answer :
ABA theory
Discuss Question
No explanation is given for this question. Let's discuss the answer together.
4.
Transpiration is least in
A
good soil moisture
B
high wind velocity
C
dry environment
D
high atmospheric humidity
Answer :
high atmospheric humidity
Discuss Question
No explanation is given for this question. Let's discuss the answer together.
5.
Grapes placed in salt solution shrink due to
A
Imbibitions
B
Endosmosis
C
Exosmosis
D
Osmosis
Answer :
Exosmosis
Discuss Question
No explanation is given for this question. Let's discuss the answer together.
6.
You are giventhree cells, a root hair , a cell of the inner corticallayer and a cell to the mespohyll arrange hem in ascending oeswe od SPS
A
Root hair < Cortical cell < Mesophyll
B
Cortical cell < Mesophyll < Root heir
C
Mesophyll < Root hair < Cortical cell
D
Root hair < Mesophyll < Cortical cell
Answer :
Root hair < Cortical cell < Mesophyll
Discuss Question
No explanation is given for this question. Let's discuss the answer together.
7.
Which of the following seeds develop a greater imbibition pressure
A
Wheat seed
B
Gram seed
C
Rice seed
D
Mustard oil seed
Answer :
Gram seed
Discuss Question
No explanation is given for this question. Let's discuss the answer together.
8.
What is the direction of movement of sugars in phloem?
A
Non-multidirectional
B
Upward
C
Downward
D
Bi-directional
Answer :
Bi-directional
Discuss Question
No explanation is given for this question. Let's discuss the answer together.
9.
The osmotic pressure of distilled water will be
A
Minimum
B
Maximum
C
Higher than any solution
D
Variable
Answer :
Minimum
Discuss Question
No explanation is given for this question. Let's discuss the answer together.
10.
When beet root slces washed and then placed in cold water. Anthocyanin does not come out, because plasma memeable is
A
Diffferentially permeable to anthocyanin
B
Dead structure
C
Impermeable to anthocyanin
D
Permeable to anthocyanin
Answer :
Impermeable to anthocyanin
Discuss Question
No explanation is given for this question. Let's discuss the answer together.