Question
How do desert lizards cope with temperature variations in their environment? Explain.

Answer

  • Desert lizards cope with the temperature variations in their habitat by behavioural means.
  • They bask in the sun and absorb heat when their body temperature drops below the comfort zone.
  • They move into the shade when the temperature starts increasing.

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

A tRNA is charged with the amino acid methionine:
  1. At what site in the ribosome will the tRNA bind?
  2. Give the anticodon of this tRNA.
  3. What is the mRNA codon for methionine?
  4. Name the enzyme responsible for this binding.
Write the name of two antibiotic resistant gene found in plasmid pBR322.
find out how to distinguish between: Exonuclease and endonuclease
Identify A, B, C and D in the following table:
Scientific name of the source plant
Drug
Harmful effects/ Human body part affected
Papaver somniferum
A
Depressant/ slows body functions
Cannabis sativa Cannabinoids B
Erythroxylon coca C D
In the diagram given below, show the path of a pollen tube from the pollen on the stigma into the embryo sac.
Name the components of egg apparatus.
Image
“Intra-cytoplasmic sperm injection” and “Gamete Intra Fallopian Transfer (GIFT)” are two assisted reproductive technologies. How is one different from the other?
A cross was carried out between two pea plants showing contrasting traits of height of the plants. The result of the cross showed 50% parental characters.
  1. Work out the cross with the help of a Punnett square.
  2. Name the type of the cross carried out.
Most living organisms cannot survive at temperature above 45ºC. How are some microbes able to live in habitats with temperatures exceeding 100ºC?
Why is pedigree analysis done in humans? List two reasons why the Mendelian experiments cannot be carried out in human beings.
Give names of two enzymes of DNA replication and write one specific function of each of them.