Botany BS Botany Sindh university 2023

PAPER TYPE: B

SINDH PUBLIC SERVICE COMMISSION, HYDERABAD.

PRE-INTERVIEW WRITTEN TEST FOR THE POST OF SUBJECT SPECIALIST BOTANY (BPS-17)

MALE/FEMALE IN SCHOOL EDUCATION & LITERACY DEPARTMENT, GOVERNMENT OF SINDH.

SATURDAY, 03RD JUNE 2023

Time: 10:00 a.m. to 11:00 a.m.

ROLL NO. _________

Maximum Marks: 100

QUESTION PAPER

GENERAL INSTRUCTIONS:

01. Attempt all Questions. Each wrong answer will result in deduction of half (0.5) mark.

02. Write your Roll Number, Father's Name & Centre and sign your answer Sheet within the space

provided. Ensure Type of Paper (A, B, C &

D) is marked on answer sheet failing which candidate will

be disqualified.

03. Do not write the above details anywhere else on the Answer sheet. Doing so will render the candidates disqualified.

04. Follow instructions on the Answer sheet to mark your responses correctly, Answer carefully by filling one of the

appropriate blank cells provided in the Answer sheet with Black/Blue ball pen only. Please keep your marking

within the Cell being attempted to avoid Multiple Cell marking.

05. FOLLOWING BE AVOIDED TO PREVENT ANSWERS BEING CONSIDERED WRONG.

(A) Multiple Marking.

(B) Marking out of Cell.

(C) Use of Eraser/Correcting fluid.

06. Return your Question Paper and Answer sheet after completion of the Paper.

MOST IMPORTANT:- ANY CANDIDATE FOUND IN POSSESSION OF MOBILE PHONE OR ANY

SIMILAR DEVICE IN THE EXAMINATION HALL WILL BE EXPELLED FROM THE EXAMINATION

HALL. QUESTION PAPER IS PART OF ANSWER SHEET FOR ASSESSMENT PURPOSE. NO

CANDIDATE IS ALLOWED TO CARRY QUESTION PAPER/ANSWER SHEET OUT OF THE

EXAMINATION HALL.

01 A fern differs from a moss in having _________

(A) swimming archegonia

(B) swimming antherozoids

(C) an independent sporophyte

(D) An independent gametophyte

02 Which of the following is the type of fertilization in Gymnosperms?

(A) Porogamous

(B) Mesogamous

(C) Chalazogamous

(D) None of these

03 Perisperm is _________

(A) Surviving nucellus in the seed

(B) outgrowth of the outer integument

(C) outgrowth of funiculus

(D) all of these

04 Largest ovule is that of _________

(A) Cocos

(B) Gnetum

(C) Pinus

(D) Cycas

05 Sweet potato is a modification of _________

(A) Root

(B) Stem

(C) Flowering axis

(D) Bud

06 Which of the following is classified on the basis of cotyledons?

(A) Bryophytes

(B) Gymnosperms

(C) Angiosperm

(D) Thallophytes

07 Which of the following is an insectivorous plant?

(A) Drosera

(B) Ranunculus

(C) Hydrilla

(D) Castor

08 Which of the following does not produce bark?

(A) Guava

(B) Date palm

(C) Solanum

(D) Prunus

09 Formation of embryo from an unfertilized egg is called _________

(A) Parthenogenesis

(B) Parthenocarpy

(C) Pseudogamy

(D) Amphimixis

10 Leafless stem of onion which is produced to bear flower is called _________

(A) Scape

(B) Rachis

(C) Peduncle

(D) Floral axis

11 Which florescence belongs to compositae?

(A) Spadix

(B) Umbel

(C) Catkin

(D) Capitulum

12 Aquatic plants have _________

(A) Well developed stomata

(B) Well developed aerenchyma

(C) Well developed roots

(D) Well developed xylem

13 Entomophilous flowers are _________

(A) Very large in size

(B) Colorless flower

(C) Large colored and scented flower

(D) Small flowers

14 Banana plant develops from _________

(A) Bud

(B) Seed

(C) Sucker

(D) Stolon

15 Who coined the term acid rain?

(A) Christ Ralph

(B) Elmer Joseph Clark

(C) Ernest Flower

(D) Robert Angus Smith

16 Peroxyacyl nitrate (PAN) is a by-product of _________

(A) Photochemical smog

(B) Sulphurous smog

(C) London smog

(D) none of these

17 Spirogyra differs from moss-protonema in having _________

(A) pyrenoids

(B) branched filaments

(C) discoid chloroplasts

(D) rhizoidal branches

18 What is the main source of pollutants of nitrogen Oxides, Sulphur oxides and carbon oxides?

(A) Photochemical reactions in the atmosphere

(B) Burning fossil fuels at high temperatures.

(C) Industrial process

(D) All of these

19 The largest herbarium in the world is located at :

(A) Geneva

(B) New York

(C) Berlin

(D) Kew

20 International rice institute is in _________

(A) Philippines

(B) U.S.A

(C) Japan

(D) U.K

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