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S= Statement R= Reason S: The loranthus plant possess nodules on their root system R: Rhizobiumbacterialive in root nodules
Loranthus is a parasitic plant and does not possess root nodules. Rhizobium bacteria live in the root nodules of leguminous plants, not in Loranthus. Therefore, the statement (S) is false and the reason (R) is true.
S= Statement R= Reason S: In perigynous flower , the thalamus becomes flat, disc like R: The flower whorls are arranged on the rim of the thalamus
S= Statement R= Reason S: In caryopsis the pericarp and seed coat are fused and forma ‘hull’ R: Tridexand vernonia are example of caryopsis
In a caryopsis, the pericarp and seed coat are indeed fused to form a 'hull'. However, Tridax and Vernonia are not examples of caryopsis; instead, they are examples of achenes. Therefore, the statement (S) is true, but the reason (R) is false.
What is true for the following statements ? Statement X : Migration of birds is influenced bylight. Statement Y : Reproduction of birds is influenced bylight. Statement Z : In all birds gonads are activated due to increase in intensity of light during summer.
Which animal is capable of obtaining water byoxidation of lipid.
The kangaroo rat is well known for its ability to obtain water by oxidizing lipids in its diet. This metabolic water helps the animal survive in arid environments where free water is scarce.
Which is the example of intraspecific competition for food ?
Name the animals with freshwater habit in which (i) endosmosis is possible (ii) Excess water in removed bygreen glands (iii) Green glands removes water in the from of urine
Crustaceans like Astacus (a freshwater crayfish) have specialized excretory organs known as green glands, which help in osmoregulation by removing excess water in the form of urine. Freshwater animals need to constantly manage the influx of water due to endosmosis.
In snakes realised (actual) natality is less thanpotential natality; because.....
The actual natality (birth rate) in snakes is often less than the potential natality due to multiple factors. Not all eggs are incubated successfully, environmental resistance (like predation and disease), and even if eggs are incubated, many offspring do not survive to adulthood. Hence, all these factors contribute to a lower realized natality.
Select the correct statement for a population growing in a habitat with limited resources
In a habitat with limited resources, a population typically exhibits logistic growth. This is characterized by an initial lag phase, followed by a phase of acceleration (exponential growth), then deceleration as the population reaches the carrying capacity of the environment, and finally stabilizes at an asymptote. This results in an S-shaped or sigmoid curve, not a J-shaped curve.
Which living organism is seen in the hot water spring having temperature more than 100 °C ..
Thermoacidophils are a type of archaebacteria that thrive in extremely hot and acidic environments, such as hot water springs with temperatures exceeding 100°C. They are able to survive in these harsh conditions due to their unique adaptations.
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The bank mixes NEET previous year questions (PYQs) with practice questions, each tagged with its exam appearances where applicable.