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Botany Mcqs Practice Test

Botany Mcqs Practice Test

What should happend if thin sliec of suger beet is plased in a concentrated solution of sodium cloride?

it should lose water from the cells

It should become turgid

it should niether absorb water nor lose water

it should absorb water from salt solution

Saprophytes break down dead organic mater by secreting

hormones

enzymes

auxin

bacteria

The presence of lignin in the cell wall is the characteristic feature of:

woody tissue

phloem

soft tissue

cortex

Stomata in moss are present in

leaf

stem

lower part of capsule

uper part of capsule

Transpiration takes place from:

steam

leaves

all parts of the plants

only arial part of the plant

The size of the stomates in a leaf is controlled by the

xylem cells

phloem cells

guard cels

heterotrophic cells

Why cambium is considerd a lateral meristem?

Because it gives rise to lateral branches

Because it increase the birth of the plant

Because it increase the length of the plant

Because it increase the height and the diameter of the plant

in respiration pyruvic acid is

Formed only when oxygen is available

product of glycolysis

broken doun into carbon fragment

a result of protein breakdown

Opning of stomata is due to:

turgidity of guard cells

size of guard cells

number os guard cells

amount of corbon_dioxide in atmosphare

The tissue responsible for translocation of food material is:

Vessels

sieve tubes

parenchyma

fibres

Which of the following is a rapid type of absorption?

passive absorption

active absorption

salt absorption

root tip absorption

The vasculer bundles are surrounded by a scelrenchymatous sheath is:

dicot stem

monocot stem

dicot root

monocot stem

The living part of plant cell is called?

cell wall

protoplasm

hyloplasm

cell sap

If genes for two different traits are located on the same chromosome , they are said to be

allelic

linked

segregated

intermediate

Radial vascular bundles occur in:

monocot stem

dicot stem

monocot leaf

monocot root

 

Botany Mcqs Practice Test

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