Botany/Botany MCQ Questions With Answers Sample Test,Sample questions

Question:
 Floridean starch is found in __________:

1.Phaeophyceae

2.Rhodophyceae

3.Chlorophyceae

4.Myxophyceae


Question:
 There are ________ hydrogen bonds between thymine and adenine:

1.4

2.3

3.2

4.7


Question:
 What is The hormone reducing transpiration rate by inducing stomatal closure called:

1.Cytokipin

2.Auxin

3.ABA

4.Ethylene


Question:
? X l74 has__________ DNA

1.Single stranded DNA

2. Single stranded RNA

3.Double stranded RNA

4.Double stranded DNA


Question:
A gene is located on the site of chromosome which is called a:

1.Site

2.Locus

3.Allele

4.Trait


Question:
Basal placentation is originate in the___________ family?

1.Malvaceae

2.Solanaceae

3.Fabaceae

4.Asteraceae


Question:
Cheese and yoghurt are products of?

1.Pasteurization

2.Fermentation

3.Dehydration

4.Distillation


Question:
Colchicines bring about__________?

1.Polyploidy

2.Cell division

3.Cell elongation

4.Cell differentiation


Question:
Eyes on potato tubers signify¬______________?

1.Rootlets

2. Nodes with buds

3.Scars

4.Sutures


Question:
First CO2receptor in C4plants is________ from the following?

1.PGA

2.PEP

3.RuBD

4.OAA


Question:
Floridean starch is found in which of the following?

1.Chlorophyceae

2.Myxophyceae

3.Phaeophyceae

4.Rhodophyceae


Question:
Fragrant flowers with well-developed nectarines are an adaptation for ______from the following?

1.Zoophily

2.Anemophily

3.Entornophily

4.Hydfophily


Question:
From the Krebs cycle, NADH is equal to:

1. 7 ATP

2.5 ATP

3. 3 ATP

4.9 ATP


Question:
Fungus excluding mycelium is:

1.Saccharomyces

2.Mucor

3.Puccinia

4.Rhizopus


Question:
Fungus without mycelium is known as ?

1.Puccinia

2.Rhizopus

3.Saccharomyces

4.Mucor


Question:
In a pond ecosystem, benthos means________?

1. Zooplanktons on water surface

2.Large fishes eating small ones

3.Primary consumes in the bottom of a pond

4.All phytoplankton’s


Question:
In bryophotes the female sex organ is called__________?

1.Archegonium

2.Antheridium

3.Carpogonium

4.Ascogonium


Question:
In bryophotes the female sex organ is called__________?

1.Archegonium

2.Antheridium

3.Carpogonium

4.Ascogonium


Question:
In onion, the swollen underground structure is__________?

1.A. Root

2.Rhizome

3.Bulb

4.Tuber


Question:
In photorespiration, The organelles involved which of the followings?

1.Glyoxysomes, chloroplast and mithondria

2. Chloroplast, peroxisome and glythisome

3.Mitochondria, peroxisome and glyoxysomes

4.Chloroplast, mitochondria and peroxisome


Question:
In which family, basal placentation is found?

1.Fabaceae

2.Asteraceae

3.Malvaceae

4.Solanaceae


Question:
Insectivorous plants grow in which of the following soil?

1.Nitrogen rich soil

2.Nitrogen deficient soil

3.Potassium deficient soil

4.Carbohydrate rich soil


Question:
Method of water exudation through hydathodes is called______

1.Guttation

2.Transpiration

3.Evaporation

4.Bleeding


Question:
Movement of leaves of sensitive plant, Mimosa pudica are due to_______ ?

1.Thernonasty

2.Seisnonasty

3.Hydrothpism

4.Chemo nasty


Question:
Photorespiration involves the organelles in it which are:

1. Chloroplast, peroxisome, and glyoxysomes

2.Glyoxysomes, chloroplast, and mitochondria

3.Chloroplast, mitochondria and peroxisome

4.Mitochondria, peroxisome and glyoxysomes


Question:
Pigment involved in photo morphogenetic movements is called ________:

1.Cytochrome

2.Phytochrome

3.Chromatin

4.Vernalin


Question:
Select the components of an ecosystem from the following?

1.Trees and weeds

2.Plants and animals

3.Man and plants

4. Biotic and abiotic


Question:
The CO2 fixation mechanism in maize plant is known as:

1.CAM pathway

2.C3 – C4 intermediate

3.C3 pathway

4.C4 pathway


Question:
The eyes on potato tubers are:

1.Scars

2.Sutures

3.Rootlets

4.Nodes with buds


Question:
The female sex organ in bryophytes is known as:

1.Antheridium

2.Archegonium

3.Ascogonium

4.Carpogonium


Question:
The final c acceptor in mitochondrial electron transport chains is:

1.NAD+

2.FAD

3.H2O

4.None of these


Question:
The hormone reducing transpiration rate by inducing stomatal closure is know as:

1.ABA

2.Ethylene

3.Cytokipin

4.Auxin


Question:
The ratio of F2 generation in a dihybrid cross is:

1. 1:2:1

2.1:1

3. 9:3:3:1

4. 3:1


Question:
The water potential of the system _________ with the addition of the solution to a liquid system:

1.Decreases

2.Increases

3. Remains variable

4.Remains stable


Question:
Water movement from cell to cell through plasmadesmata is:

1.Facilitated

2.Apoplastic

3.Transmembrane

4.Symplastic


Question:
What are the salt-loving plants called:

1.Xerophytes

2.Mesophytes

3.Glycophytes

4.Halophytes


Question:
What are the salt-loving plants called:

1.Xerophytes

2.Mesophytes

3.Glycophytes

4.Halophytes


Question:
What does benthos mean in a pond ecosystem?

1.All phytoplankton’s

2.Primary consumes in the bottom of a pond

3. Large fishes eating small ones

4.Zooplanktons on a water surface


Question:
What does the phenomenon called when a single gene has multiple effects?

1.Pleiotropy

2.Genostasis

3.Codominance

4.Epistasis


Question:
What is a nucleoside?

1.Pyramidine + purine + phosphate

2.Purine + sugar + phosphate

3.purine/pyramidine + phosphate

4.purine/pyramidine + sugar


Question:
What is the process of water exudation through hydathodes called:

1.Evaporation

2.Bleeding

3.Guttation

4.Transpiration


Question:
What is the stage of meiosis called in which pairing of homologous chromosomes starts?

1.Diplotene

2.Pachytene

3.Leptotene

4.Zygotene


Question:
When was the Lamarck’s theory of evolution published?

1.1806

2.1802

3.1812

4.1809


Question:
Where are the insectivorous plants grow:

1.Carbohydrate-rich soil

2.Potassium deficient soil

3.Nitrogen deficient soil

4. Nitrogen-rich soil


Question:
__ includes feather stigma in it:

1.Wheat

2.Poppy

3.Pea

4.Hibiscus


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