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Which one features is common to leech, cockroach and scorpion?
In the following question, a statement of Assertion(A) is given followed by a corresponding statement of Reason(R).
Read the statements carefully, and mark the correct answer.
Assertion(A): Inflammation of a skeletal joint may immobilize movements of the joint.
Reason(R): Uric acid crystals in the joint cavity and ossification of articular cartilage lead to this.
In the following question, a statement of Assertion(A) is given followed by a corresponding statement of Reason(R).
Read the statements carefully, and mark the correct answer.
Assertion(A): Lysosomes help in the process of photorespiration.
Reason(R): Lysosomes have acidic enzymes.
In the following question, a statement of Assertion(A) is given followed by a corresponding statement of Reason(R).
Read the statements carefully, and mark the correct answer.
Assertion(A): Neurospora is commonly called water mould.
Reason(R): It belongs to basidomycetes fungi.
In the following question, a Statement of Assertion (A) is given followed by a corresponding Reason(R) just below it.Read the Statement carefully and mark the correct answer-
Assertion(A): Cladodes are atems of unlimited growth.
Reason (R): Only the main stem is modified as cladodes.
In the following question, a Statement of Assertion (A) is given followed by a corresponding Reason(R) just below it.Read the Statement carefully and mark the correct answer-
Assertion(A): Photorespiration is a wasteful process.
Reason (R): Photorespiration occurs in both C3 and C4 plants.
In the following question, a Statement of Assertion (A) is given followed by a corresponding Reason(R) just below it.Read the Statement carefully and mark the correct answer-
Assertion(A): There is no mechanism for opening and closing of hydathode.
Reason (R): Hydathode is made up of parenchymatous cells.
In the following question, a statement of Assertion(A) is given followed by a corresponding statement of Reason(R).
Read the statements carefully, and mark the correct answer.
Assertion(A): Rhoeo leaves contain anthocyanin pigments in epidermal cells.
Reason(R): Anthocyanins are accessory photosynthetic pigments.
In the following question, a Statement of Assertion (A) is given followed by a corresponding Reason(R) just below it.Read the Statement carefully and mark the correct answer-
Assertion(A): All insect pollinated flowers are cross pollinated.
Reason (R): Okra is a self pollinated plant.
In the following question, a statement of Assertion(A) is given followed by a corresponding statement of Reason(R).
Read the statements carefully, and mark the correct answer.
Assertion(A): In recombinant DNA technology, human genes are ofter trnsferred into bacteria (prokaryotes) or yeast (eukaryote).
Reason(R): Both bacteria and yeast mulitiply very fast to form huge populations which express the desired gene.
In the following question, a Statement of Assertion (A) is given followed by a corresponding Reason(R) just below it.Read the Statement carefully and mark the correct answer-
Assertion(A): The first sperm reaches the egg nucleus earlier than the second sperm.
Reason (R): The first fertilization takes less time than second fertilization.
In the following question, a statement of Assertion(A) is given followed by a corresponding statement of Reason(R).
Read the statements carefully, and mark the correct answer.
Assertion(A): The concentration of methane in the atmosphere has more than doubled in the last 250 years.
Reason(R): Wetlands and rice fields are the major sources of methane.
In the following question, a Statement of Assertion (A) is given followed by a corresponding Reason(R) just below it.Read the Statement carefully and mark the correct answer-
Assertion(A): Cytochromes are a group of a copper-containing electron transferring proteins.
Reason (R): The terminal cytochrome reacts with oxygen.
In the following question, a Statement of Assertion (A) is given followed by a corresponding Reason(R) just below it.Read the Statement carefully and mark the correct answer-
Assertion(A): Wheat is a caryopsis.
Reason (R): Its pericarp is well differentiated.
In the following question, a Statement of Assertion (A) is given followed by a corresponding Reason(R) just below it.Read the Statement carefully and mark the correct answer-
Assertion(A): Exocrine glands are also known as ductless glands.
Reason (R): Thyroid gland directly pours its secretion, i.e., thyroxine, into the blood.
In the following question, a Statement of Assertion (A) is given followed by a corresponding Reason(R) just below it.Read the Statement carefully and mark the correct answer-
Assertion(A): The endodermal cells of dicot root form casparian strip.
Reason (R): Endodermis functions as a biological check post.
In the following question, a statement of Assertion(A) is given followed by a corresponding statement of Reason(R).
Read the statements carefully, and mark the correct answer.
Assertion(A): Persons suffering from haemophilia fail to produce blood clotting factor VIII.
Reason(R): Prothrombin producing platelets in such persons are found in very low concentration.
In the following question, a Statement of Assertion (A) is given followed by a corresponding Reason(R) just below it.Read the Statement carefully and mark the correct answer-
Assertion(A): Presence of pneumatophores (the respiratory roots) is a special adaptation of hydrophytes.
Reason (R): Pnematophores help to take up oxygen from the atmosphere and transport it to the main roots.
In the following question, a Statement of Assertion (A) is given followed by a corresponding Reason(R) just below it.Read the Statement carefully and mark the correct answer-
Assertion(A): Water absorption is reduced by lowering O2 tension.
Reason (R): The accumulation of CO2 reduces water absorption.
In the following question, a Statement of Assertion (A) is given followed by a corresponding Reason(R) just below it.Read the Statement carefully and mark the correct answer-
Assertion(A): Mangroves show breathing roots.
Reason (R): Soil air is almost negligible in swamps.
In the following question, a Statement of Assertion (A) is given followed by a corresponding Reason(R) just below it.Read the Statement carefully and mark the correct answer-
Assertion(A): Low annual rainfall occurs in deserts.
Reason (R): Deserts may be hot or cold.
The opening of the upper chamber of the heart into the lower chamber is known as
Which of the following processes results in a change of the cellular DNA amount ?
3 videos|44 docs|66 tests
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3 videos|44 docs|66 tests
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