NAT-IIB Biological Science Botany Hard Test

MCQ's Test For NAT-IIB Biological Science Botany Hard Test

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NAT-IIB Biological Science Botany Hard Test

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Question # 1

Plants of family asclepiadaceae are used to treat

Question # 2

Disc florets have ------------ flowers

Question # 3

Following statement is in accordance to Darwinisw

Question # 4

Apple is a member of family

Question # 5

The botanical name of plum is

Question # 6

What are the major decomposers of the biosphere contributing to the recycling of the elements used by living things?

Question # 7

The phenomenon of interference / hide the effect of one gene present at one locus by the other gene present at other locus is called

Question # 8

Bentham and Hooker divided plants in 202 orders

Question # 9

Thin layer of earth in which all living organism exist is known as

Question # 10

A special protein that generates voltage across a membrane is called;

Question # 11

Pyruscommunis is the botanical name

Question # 12

A succulent berry with hard rind is commonly known as

Question # 13

Two species with the same specific epithet cannot occur in the genus. If this happens, the earlier valid name will retain and the latter will become it

Question # 14

Phanerogamy includes

Question # 15

He is regarded as the father of modern taxonomy

Question # 16

Gene pool is the total aggregate of gene a ----------- at any one time.

Question # 17

While studying the components of an ecosystem what is the biotic component in all these examples?

Question # 18

Green color blindness is called

Question # 19

Genera with common characteristics are grouped into a more inclusive group

Question # 20

The transference of pollen grains on the stigmatic surface is brought by a special structure

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NAT-II Botony Chapter 0 Important MCQ's

Sr.# Question Answer
1 When all the original specimens and their duplicates have been lost or destroyed
A. Lecto type
B. Neotype
C. Isotype
D. Paratype
2 Fruit of labiateae consists of four ------------- nutlets.
A. One seeded
B. Two seeded
C. Three seeded
D. Four seeded
3 The largest genus of family Solanaceae is
A. Solanum
B. Capsicum
C. Lyceum
D. Atropa
4 In fishes, gill pouches develop into
A. Gills
B. Threat & Middle ear
C. Eustachian tubes
D. Both A and B
5 The system of classification that reflects the evolution
A. Modern
B. Phylogenetic
C. Polygenic
D. Natural
6 An ecosystem is forged from bare rock, sand or clear glacial pool where there is no trace of previous life it refers to
A. Secondary succession
B. Hydrosere
C. Xerosere
D. primary succession
7 The anthers are two celled and pollen grains are in the form of tetrads and are found in the sac like sturctures
A. Polonium
B. Gynoestigium
C. Corpusculum
D. Translator
8 Which one of these is a predatory fungus?
A. Pleurotus ostreatus
B. Mildews
C. Armillaria
D. Yeast
9 Males suffering from Jacobs's syndrome have sex chromosomes
A. XXX
B. XO
C. XXY
D. XYY
10 ------------ are the reaction that takes place during the light phase of photosynthesis
A. Kelvin cycle
B. Photo-reaction
C. Hill's reaction
D. All

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