Question
Practise drawing various animals and plants.

Answer


Drawin's finches

Thorns in Bougainvillea and tendrils in Cucurbita- examples of homology.

Need a full question paper?

Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.

Start Generating Free

Similar questions

  1. Name the enzyme that catalyses the transcription of hnRNA.
  2. Why does the hnRNA need to undergo changes? List the changes hn RNA undergoes and where in the cell such changes take place.
Name the cell from which the endosperm develops in a coconut. Mention its ploidy. Explain the process of endosperm development in a coconut.
From where the fossils of Neanderthal man were found? Also write its characteristics.###Write two characteristics of the mental capacity and lifestyle of Neanderthal humans.
Study the figure given below and answer the following questions.

  1. Name the molecule 'X' synthesised by i gene. How does this molecule get inactivated?
  2. Which one of the structural genes codes for B-galactosidase?
  3. When will the transcription of this gene stop?
Make a list of any three outbreeding devices that flowering plants have developed and explain how they help to encourage cross-pollination.
What are interferons. Explain its role in providing immunity. Also name the kind of immunity provided by it.
Fill in the trophic levels (1, 2, 3 and 4) in the boxes provided in the figure.

Explain the role of baculoviruses as biological control agents. Mention their importance in organic farming.
Answer the following questions:
How do flowers reward their insect pollinators? Explain.
  1. Do all pollen grains remain viable for the same length of time? Support your answer with two suitable examples.
  2. How are pollen grains stored in pollen banks? State the purpose of storing pollen grains in these banks.