The sexual dimorphism occurs in Anoheles and male can be differentiated from female by
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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): Protostele is the simplest type of stele.
Reason (R): Siphonostele has pith in the centre.
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): Decomposers are present at benthom of aquatic ecosystems.
Reason (R): The consumers of lakes are different at different depths of lakes.
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): Mitochondria and chloroplasts are semiautonomous organelles.
Reason(R): They are formed by division of pre-existing organelles as well as contain DNA but lack protein synthesizing machinery.
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): Amensalism is a negative interaction between two living individuals.
Reason (R): In amensalism, allochemics are secreted by one individual.
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): Carnivorous plants are autotrophic in nature.
Reason (R): Carnivorous plants are green 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): Cytochromes are only found in mitochondria.
Reason (R): Cytochrome b 5 occurs in the endoplasmic reticulum.
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): Soil particles, particularly clay and organic matter in soil, contain negative charges that attract positively-charged ions such as Ca++, K+ and Mg++.
Reason(R): This attraction keeps these ions at a soil level where they are available to plants.
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): Petroplants produce large amount of latex.
Reason(R): The latex contains long chain hydrocarbons.
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 roots of several plants show mycorrhizal association.
Reason (R): Mycorrhizal plants show association with bacteria.
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): Estuaries are generally productive.
Reason (R): An estuary is formed by river.
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 morula stage, the cells divide without any increase in size.
Reason(R): Zona pellucida remains undivided till cleavage is complete.
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): Cattle breeds can be improved by superovulation and embryo transplantation.
Reason(R): Superovulation in high milk-yielding cows is induced by hormonal injection.
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): If the main trunk of Banyan tree is removed it is capable to survive.
Reason (R): Prop roots support the tree.
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): 'Lac Operon Model' is applicable only to E.coli.
Reason(R): E.coli lacks a definite nucleus.
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): Water absorption is reduced by lowering O 2 tension.
Reason (R): The accumulation of C O 2 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): Cellular endosperm os formed by both nuclear division and wall formation.
Reason (R): It lacks haustoria.
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): Succulents leaves are found in xerophytic habitats.
Reason (R): Succulents leaves store water and have sunken stomata.
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): Action spectrum of photosynthesis compares well with the absorption spectrum of chlorophyll.
Reason(R): Chlorophyll is the only pigment which can absorb and convert light energy into chemical energy.
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 plant tissue culture, somatic embryos can be induced from any plant cell.
Reason(R): Any viable plant cell can differentiate into somatic embryos.
What would happen if NADH₂ is oxidised to form H₂O in a single step-
Which is the most important source of food and fodder?
Which of the following wood is used in making cricket bats?
3 videos|44 docs|66 tests
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3 videos|44 docs|66 tests
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