The Chennai School Of banking

GENERAL SCIENCE Botany - 03

Question No : 1

The female sex organ in a flower is the _____
(1) Zoospores
(2) Stamen
(3) Pistil
(4) Chlorophyceae
 

Question No : 2

The members of rhodophyceae are commonly called _____ algae
(1) Green
(2) Brown
(3) Red
(4) Yellow

Question No : 3

The members of Phaeophyceae are commonly called _____ algae
(1) Green
(2) Brown
(3) Red
(4) Yellow

Question No : 4

Asterias (Star fish), Echinus (Sea urchin), Antedon (Sea Lily) are all examples of which Phylum?
(1) Echinodermata
(2) Annelida
(3) Platyhelminthes
(4) Arthropoda

Question No : 5

Through photosynthesis atleast a half of the total carbon dioxide fixation on earth is carried out by?
(1) Pteridophytes
(2) Bryophytes
(3) Algae
(4) Gymnosperms

Question No : 6

Among plants, three different genera Solanum, Petunia and Datura are placed in which family?
(1) Cancidae
(2) Solanaceae
(3) Felis
(4) Felidae

Question No : 7

Which of the following is not correct?
(1) Members of Chlorophyceae are commonly called green algae
(2) Members of Phaeophyceae are commonly called red algae
(3) Members of Rhodophyceae are commonly called red algae
(4) Members of Phaeophyceae are commonly called brown algae

Question No : 8

The presence of what distinguishes a plant cell from an animal cell?
(1) Chloroplasts
(2) Protoplasm
(3) Cell membrane
(4) Nucleus

Question No : 9

Plants which grow on saline soils are
(1) Xerophytes
(2) Hydrophytes
(3) Halophytes
(4) Succulents

Question No : 10

Mangifera indica is the scientific name of
(1) Guava
(2) Mango
(3) Amla
(4) Jack fruit

Question No : 11

Excess amount of absorbed water by plants is liberated out by
(1) Evaporation
(2) Osmosis
(3) Diffusion
(4) Transpiration

Question No : 12

Plants get water through the roots because of
(1) Elasticity
(2) Capillarity
(3) Viscosity
(4) Photosynthesis

Question No : 13

The process through which excess of light energy is dissipated in photosynthesis is known as
(1) Scavenging
(2) Photolysis
(3) Photophosphorylation
(4) Non photochemical quenching

Question No : 14

Cellulose is the chief constituent of
(1) Cell wall
(2) Cell membrane
(3) Secondary wall of xylem
(4) Body wall of insects

Question No : 15

The secretion of droplets on the leaves of plants from the pores of plants is called
(1) Guttation
(2) Photolysis
(3) Photophosphorylation
(4) Quenching

Question No : 16

The hotness or pungency of chilli pepper is due to?
(1) Cucumin
(2) Sorbitol
(3) Argenol
(4) Capsaicin

Question No : 17

The study of the internal structure of the plants is called
(1) Taxonomy
(2) Agronomy
(3) Anatomy
(4) Morphology

Question No : 18

Which one of the following processes is involved in plants?
(1) Transpiration
(2) Photosynthesis
(3) Both (1) and (2)
(4) None of these

Question No : 19

Lichen that grow on bark are said to be
(1) Xylophilous
(2) Saxicolous
(3) Coprophilous
(4) Corticolous

Question No : 20

Red color of tomato is due to the presence of
(1) Lycopene
(2) Chromoplast
(3) Carotine
(4) Betanine

Question No : 21

In plants food is stored in the form of starch, in animals it is generally stored in the form of
(1) Maltose
(2) Glycogen
(3) Sucrose
(4) None of these

Question No : 22

Ginger is a stem and not a root because
(1) it stores food material
(2) it grows horizontally in the soil
(3) it has nodes and internodes
(4) it lacks chlorophyll

Question No : 23

Which of the following is not a waste product produced by plants?
(1) Water vapour
(2) Oxygen
(3) Gum Arabic
(4) Carbon dixoide

Question No : 24

Which of the following elements is obtained from the sea algae?
(1) Argon
(2) Sulphur
(3) Vanadium
(4) Iodine

Question No : 25

What is Wilting of plants?
(1) removal of leaves by the plants
(2) loss of rigidity of non-woody parts of plants
(3) respiration process in night by the plants
(4) guttation

Question No : 26

Plants growing on rocks are called:
(1) Epiphytes
(2) Halophytes
(3) Xerophytes
(4) Lithophytes

Question No : 27

In which part of the cinchona plant quinine occurs naturally?
(1) Root
(2) Fruit
(3) Seed
(4) Bark

Question No : 28

The characteristic odour of garlic is due to
(1) A chloro compound
(2) A sulphur compound
(3) A fluorine compound
(4) Acetic acid

Question No : 29

Which enzyme can catalyze the conversion of glucose to ethanol?
(1) Zymase
(2) Invertase
(3) Maltase
(4) Diastase

Question No : 30

The process by which plants produce food is called
(1) Carbohydrolysis
(2) Metabolic synthesis
(3) Photosensitization
(4) Photosynthesis

Question No : 31

On which of the following plant did Gregor Mendal perform his classical experiment?
(1) Pea
(2) Gram
(3) Maize
(4) Wheat

Question No : 32

The red colour of the red sea is due to the presence of:
(1) Moss
(2) Bacteria
(3) Algae
(4) Fungi

Question No : 33

Plants adapted to dry climate are known as
(1) Epiphyte
(2) Xerophyte
(3) Hydrophytes
(4) Mean plants

Question No : 34

Which of the following is a source of bio-fertilizer?
(1) Yeast
(2) Chlorella
(3) Azolla
(4) Mold

Question No : 35

Bamboo is classified as
(1) Tree
(2) Grass
(3) Shrub
(4) Herb

Question No : 36

Which one of the following is the richest source of protein?
(1) Rice
(2) Groundnut
(3) Apple
(4) None of these

Question No : 37

What is hydroponics?
(1) Plant without soil enrichment
(2) Grafting plant
(3) Study of vegetables
(4) Soil conservation

Question No : 38

Turmeric is obtained from which part of the plant:
(1) Root
(2) Stem
(3) Fruit
(4) Flower bud

Question No : 39

Opium is obtained from
(1) Dried leaves
(2) Roots
(3) Latex from unripe fruit
(4) Flower

Question No : 40

Which one of the following is not a plant hormone?
(1) Cytokinin
(2) Ethylene
(3) Insulin
(4) Gibberellin

Question No : 41

Which among the following is/are correctly paired:
A. Ginger: Tuber
B.  Potato: Rhizome
C.  Onion: Bulb
(1) Only B
(2) Only C
(3) Only A
(4) A, B and C

Question No : 42

Pungency in chillies is due to the present of:
(1) Lycopene
(2) Capsaicin
(3) Carotene
(4) Anthocyanin

Question No : 43

Trophic level-I includes:
(1) Herbivorous animals
(2) Carnivorous animals
(3) Omnivorous animals
(4) Green plants

Question No : 44

The yellow colour of papaya is due to
(1) Papain
(2) Lycopene
(3) Caricaxznthin
(4) Carotene

Question No : 45

Major component of cotton is
(1) Protein
(2) Fatty acid
(3) Cellulose
(4) Glycerene

Question No : 46

Which of the following types of light are strongly absorbed by plants?
(1) Violet and orange
(2) Blue and red
(3) Indigo and yellow
(4) Yellow and violet

Question No : 47

Clove is a
(1) Buds of stem
(2) Bales of root
(3) Closed buds
(4) Seed

Question No : 48

A hydrophyte is:
(1) A marine animal
(2) An aquatic plant
(3) A plant disease
(4) A rootless plant

Question No : 49

Which one of the following is a plant hormone?
(1) Insulin
(2) Thyroxine
(3) Estrogen
(4) Cytokinin

Question No : 50

Insulin is received from
(1) Rhizome of ginger
(2) Roots of dahlia
(3) Balsam flower
(4) Potatoes tuber