ppsc Biology lecturer mcqs

PPSC Lecturer Biology Test 60 Online Preparation MCQs

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There will be 25 multiple choice question in the test.
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Test Instructions:-
Test Name	Lecturer Biology
Subject	Biology Test 60
Test Type	MCQs
Total Questions	25
Total Time	20 Minutes
Total Marks	100

You have 20 minutes to pass to the quiz.

PPSC LECTURER OF BIOLOGY ONLINE PRACTICE TEST NO. 60

1 / 25

Which pair is not matched ?

Carissa - Biparous branching

Palm - Dichotomous branching

Ashoka - Helicoid branching

Mirabilis - Multiparous branching

2 / 25

Bulbil means...

Food storing Apical bud

All of the given

Food storing floral bud

Food storing axillary bud

3 / 25

Which is not the function of a stem?

Bidirectional conduction of food

Arrangement of different organs

Provides support to different organs

Bidirectional conduction of mineral-water

4 / 25

Where does food stored in Amorphophallus ?

Only in one apical bud

Through out whole stem

Only in one node

Only in one internode

5 / 25

Which examples are correct as their thorn bears leaves ?

Lawsonia-Pomegranate

Opuntia - Agave

Acacia - Zizyphus

Carrisa - Lawsonia

6 / 25

How many plants shows tendrils?

Croton, Passion flower, Dioscorea, Cucurbita, Muehlenbeckia, Pandanus, Bittergourd, Nepenthus

7 / 25

Why leaves are deciduous in plants having phylloclades ?

To reduce rate of transpiration

All of the given

Reproduction by leaves

To protect against Herbivory animals

8 / 25

In which plant, leaf base covers the inter-node?

Acacia

Maize

Moringa

Lemon

9 / 25

Which pair is mis-matched ?

Mint-Runner

Potato-Rhizome

Muehlenbeckia-Flower bud

All of the given

10 / 25

Ginger, although underground, but is not root. Because...

It stores food and becomes fleshy

It stores food and perform vegetative reproduction

It is completely unbranched

It bears scaly leaves and buds on it

11 / 25

'Stolon' shows which type of modification?

Vegetative propagation

Protection and vegetative propagation

Climbing and vegetative propagation

Food storage and vegetative propagation

12 / 25

Which option is true for venation ?

All of the given

In maize, parallel venation is present

In sunflower, Reticute venation is present

Multicostate venation can be divided into convergent and divergent type

13 / 25

In which type of branching plant becomes conical or pyramidal shape ?

Cymose - Multiparous

Racemose

Dichotomous

Cymose - Helicoid

14 / 25

Which structure forms skeleton of leaf-blade ?

Leaf-base

Phyllotaxy

Venation

Petiole

15 / 25

'Rhizome' and 'Eye' are present respectively in which plants ?

Potato, Ginger

Turmeric, Potato

Ginger, Amorphophallus

Amorphophallus, Potato

16 / 25

What is true for thorn of Lawsonia ?

It is uniparous and develops from apical bud

It is biparous and develops from apical bud

It is uniparous and develops from axillary bud

It is biparous and develops from axillary bud

17 / 25

How many plants shows thorn to gain protection against herbivorous animals ? Carrisa, Muehlenbeckia, Lawsonia, Passion flower, Pomegranate, Acacia, Zizyphus, Dioscorea

18 / 25

How Dichotomous branching differs from Biparous branching ?

Dichotomous and biparous branching are of same type

In Dichotomous, apical bud divides in to two branches

In Dichotomous, two branches are formed from axillary bud

Dichotomous present in Palm and biparous present in vitis

19 / 25

What is main aim of petiole for leaf?

Keeps leaf-blade erect

Skeleton formation for leaf

Helps in function of leaf-blade

Arrange leaf-blade

20 / 25

Which characteristic is not of Muehlenbeckia ?

Both (A) and (B)

Its stem is green and flat

It bears deciduous leaves to reduce transpiration

None of the given

21 / 25

Which is not the characteristic of a underground stem?

Strong and woody

With scaly leaves

chlorophyll-less

Small size and food storing

22 / 25

Offset means ......... .

Underground branch develops parallel to soil

Above water surface branch and develops horizontally

Above ground and obliquely develops branch which comes in contact with soil

Above ground branch and develops parallel to soil

23 / 25

Which modification of stem for protection is not considered actually modification for stem ?

Bifid thorn of carrisa

Thorn of PomegranatePrickles of Rose

None of the given

Prickles of Rose

24 / 25

Which is not function of decussate leaf ?

Food-storage

Food-production

Mechanical support

Gaseous exchange

25 / 25

How many plants shows double modifications?

Dioscorea, Muehlenbeckia, Croton, Nepenthus, Carrisa, Pandanu

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