Smartindia Classroom
CONTENTS
Biology
Biology-Prev.Year Repeated Questions
Chemistry
English
Mathematics
Physics
Biotechnology
Back to home
Start Practice
Question-1
Cusuta reflex is an example for
(A)
Partial stem parasite
(B)
Total root patasite
(C)
Total stem parasite
(D)
Partial root parasite
Question-2
chemiosmotic theory of ATP synthesis, in the chloroplast and mitochondria, is based on the
(A)
Proton gradient
(B)
membrane potential
(C)
accumulation of ions
(D)
accumulation of Na ions
Question-3
The basis feature of typical C4- plants showing ?kranz? anatomy is the presence of
(A)
Chloroplasts in mesophyll and epidermal cells
(B)
the presence of chloroplasts in bundle sheath cells
(C)
rudimentary chloroplasts in bundle sheath cells and typical
(D)
typical chloroplasts with well-formed grana in bundle sheath cells
Question-4
Which of the following transfers the electrons in ETS (electron transport system)?
(A)
Fe -5
(B)
F1 ?particles
(C)
Phytochrome
(D)
Cytochrome
Question-5
A thin film of water, held by the soil particles, under the influence of internal attractive force, is called which of the following water?
(A)
Capillary
(B)
combined
(C)
hygroscopic
(D)
gravitational
Question-6
Which of the following is the aim of Mohl?s half-leaf experiment?
(A)
To show that chlorophyll is necessary for photosynthesis
(B)
To show the importance of carbon dioxide for photosynthesis
(C)
To show that carbon dioxide is produced during aerobic respiration
(D)
To show that carbon dioxide is produced during anaerobic respiration
Question-7
In which of the following form, sugar is transported within the body of a plant?
(A)
Sucrose
(B)
lactose
(C)
glucose
(D)
maltose
Question-8
Two plants A and B are supplied with Co
2
and H
2
O
18
and CO
2
18
and H
2
O. Which of the following plants releases O
18
type oxygen in photosynthesis?
(A)
A plant
(B)
B Plant
(C)
Both ?1? and ?2?
(D)
None of these
Question-9
Most of the plants are seasonal due to
(A)
Photolysis
(B)
Photosynthesis
(C)
Phototropism
(D)
Photoperiodism
Question-10
The uptake of soil ions, by the root system, is a process of
(A)
Osmosis
(B)
imbibitions
(C)
absorption
(D)
diffusion
Your Score 0/10
Click
here
to see your answersheet and detailed track records.
Plus 2 Biology Science
CBSE
Practice in Related Chapters
Organisms and Population
Plant Nutrition
Respiration
Photosynthesis
Ecosystem
Pollution And Global Environmental Change
Reproduction In Flowering Plants
Population, Biotic Community And Succesion
Biodiversity and WildlifeConservation
Environmental issues
Reproduction In Organisms
Sexual Reproduction In Flowering Plants
Reproductive Health
Principles Of Inheritance and Variation
Human Health and Disease
Strategies for Enhancement in Food Production
Biotechnology: Principles And Processes
Biotechnology And Its Applications
Evolution
Human Genetics
Sexual reproduction in flowering plants
Molecular Basis Of Inheritance
Enzymes
Cell Reproduction
Animal Reproduction
Biotechnology
Human Evolution
Human Reproduction
Microbes in Human Welfare
Biodiversity and Conservation
Powered By
