AIIMS Biology Class 11 Questions
21 questions
Which of the following is the correct scientific name of wheat derived by binominal nomenclature?
Pseudostratified epithelium is found in
Which one of the following is not a mammalian character?
Retrogressive metamorphosis occurs in
One hormone hastens maturity period in juvenile conifers, a second hormone controls xylem differentiation, while the third hormone increases the tolerance of plants to various stresses. They are respectively
The H⁻zone in the skeletal muscle fibre is due to
Tetradynamous condition is found in
Yeast is not included in protozoans but in fungi because
As secondary growth proceeds, in a dicot stem, the thickness of
Which of the following represents the action of insulin?
Photosynthesis in C₄ plant is relatively less limited by atmospheric CO₂ levels because
The chemiosmotic coupling hypothesis of oxidative phosphorylation proposes that adenosine triphosphate (ATP) is formed because
A plasmolysed cell can be deplasmolysed by placing it in
Which one of the following is correct for the transmembrane proteins in lipid bilayer of plasma membrane?
Which of the following is a group of micronutrients for plants?
Identify the labeled part in the given figure and select the correct option.
Identify the labeled part in the given figure and select the correct option.
Assertion: In Pleuraobrachia, eight comb like ciliary plates called comb plates are present on the body that help in locomotion. Reason: Pleurobrachia reproduces sexually and its life cycle includes cydippid larva.
Assertion: Consciousness is considered as the defining property of living organisms. Reason: All organisms, from the prokaryotes to the most complex eukaryotes can sense and respond to environmental stimuli.
Assertion: In opposite phyllotaxy two leaves are borne on the opposite sides of a single node. Reason: Opposite phyllotaxy is seen in China rose and Oleander.
Assertion: All motor neurons nerve impulses from the spinal cord to the brain. Reason: Motor neurons conduct nerve impulses from the spinal cord to the brain.