July 19, 2021 |

PPSC Lecturer Biology Test 67 Online Preparation MCQs

Given below on this Website Online Free Taleem is free online MCQ’s test related to PPSC of Lecturer Biology. All the individuals who are going to appear in PPSC Lecturer of Biology written test can attempt these tests in order to prepare for it in best possible way. Our tests include all the important questions MCQs of Lecturer of PPSC Biology, all Past Papers of Lecturer of Biology PPSC that have extremely high amount of chances for been included in the actual exam which make our test undoubtedly the best source of preparation.

Note:-

There will be 25 multiple choice question in the test.
Answer of the questions will change randomly each time you start this test.
Practice this test at least 5 times if you want to secure High Marks.
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Test Instructions:-
Test Name	Lecturer Biology
Subject	Biology Test 67
Test Type	MCQs
Total Questions	25
Total Time	20 Minutes
Total Marks	100

You have 20 minutes to pass to the quiz.

PPPSC LECTURER BIOLOGY ONLINE PRACTICE TEST NO. 67

1 / 25

Which sequence is true for ground tissue system from outer to inner side ?

pith - conjuctive tissue - pericycle - endodermis - cortex

cortex - endodermis - pith - pericycle

cortex - endodermis - pericycle - conjuctive tissue - pith

endodermis - pericycle - pith - conjuctive tissue

2 / 25

What is wrong for trichomes (stem hairs)?

It is multicellular

Controls transpiration

None of the given

It is on aerial organs

3 / 25

Sieve tube of phloem can be considered as living component. Because

It has both cytoplasm and nucleus

It has only cytoplasm

It possesses companion cells which has nucleus

It has only nucleus

4 / 25

What is applicable to a vascular bundle of root?

Both (A) and (B)

No cambium between xylem and phloem

Xylem and phloem are on different radii

None of the given

5 / 25

Which type of vascular bundle is absent in stem?

Unicollateral

Bicollateral

Radial

Closed

6 / 25

Which pair is false for conductive tissue?

Angiosperm - Vessels

Gymnosperm - Albuminous cell

Gymnosperm - Sieve cells

Pteridophyta - Companion cell

7 / 25

Which is not observed in hygroscopic (epiphytic) root of orchid?

Absorbs moisture from air

Epidermis is multi layered

It has lenticels

Cuticle is absent on it

8 / 25

Which is odd of the following?

Sieve tube

Companion cell

None of the given

Albuminous cell

9 / 25

Instead of companion cell, which cells are present in gymnosperm plants?

Sclereids

Albuminous cells

Fat cells

Sieve cells

10 / 25

How many components are without deposition?

Collenchyma, Sclerenchyma, Xylem parenchyma, Phloem parenchyma, Companion cell, Phloem fibers, Xylem fibers

11 / 25

How many components are living and non-living among given list ?

5, 4

3, 6

4, 5

6, 3

12 / 25

What is special characteristic of Bicollateral V.B. ?

Phloem is on both side of xylem

Bicollateral V.B. are same in stem and root as well

Bicollateral V.B. conducts water and mineral bidirectionally

Phloem is only on one side of xylem

13 / 25

What is not included in stomatal apparatus?

Guard cell

Subsidiary cell

Stomatal aperture

Epidermal cell

14 / 25

Which option is not suitable for function phloem component?

None of the given

Sieve tube - conduction of the organic food

Companion cells - Regulation of sieve tube by plasmodesmata

Phloem parenchyma - Secretion of Latex and Resin

15 / 25

Which is included in Vascular bundle?

only cambium

only xylem

xylem and phloem

only phloem

16 / 25

Which character is not for epidermis of stem?

Reduced transpiration

Protective in nature

No cuticle layer

It is unicellular

17 / 25

Which is multilayered region of ground tissue, tissue system and these layers are made up of only Parenchyma ?

Endodermis

Hypodermis

Pericycle

Cortex

18 / 25

Which vascular bundle has opposite arrangement to conjoint vascular bundle ?

Radial

All the given

Open

Unicollateral

19 / 25

What is the type of vascular bundle which have a phloem and two cambium ?

Radial

Concentric

None of the given

Bicollateral

20 / 25

Which option is true for ground tissue system which has chloroplasts?

It is unilayered

Cortical cells has numerous chloroplasts

Endodermis is known as Bundle sheath

It is concerned with photosynthesis

21 / 25

Which option is true for sieve cell and sieve tube?

Conduction efficiency of sieve tube is more than sieve cell

All the given

Companion cell is present in sieve tube, but not in sieve cell

Sieve plate is present in sieve tube, but not in sieve cell

22 / 25

Deposition of lignin is necessary in xylem. Because

Due to lignin deposition, it will be transformed into living mechanical tissue

Due to deposition of lignin, bidirectional conduction of mineral and water becomes possible

Xylem wall should be strong against the osmotic pressure which is exerted by soil solution conducted by xylem

Due to lignin deposition, it will provide flexibility and elasticity to plants

23 / 25

Which tissue does not have deposition of lignin?

Phloem fibers

Collenchyma

Vessels

Sclerenchyma

24 / 25

How Tracheids and vessels differs from each other?

Each component of tracheids is closed at end, while it is open in vessels

Tracheids shows deposition of lignin, while vessels shows deposition of Pectin

Tracheids shows deposition of pectin, while vessels shows deposition of lignin

Each component of tracheids is open at end, while it is closed in vessels

25 / 25

What is true for root-hairs ?

It is always on aerial organs

Helpful in absorbing water

It is always multi cellular

Always covered with cuticle

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