Download App

Organisms and Populations — BIOLOGY STD 12 Science — Question

Gujarat BoardEnglish MediumSTD 12 ScienceBIOLOGYOrganisms and Populations3 Marks
Question
In certain seasons we sweat profusely while in some other season we shiver. Explain.
✓

Answer

To regulate body temperature.
In summer outside temperature is higher than body temperature, sweating causes cooling by evaporation of sweat.
In winter outside temperature is lower than body temperature, shivering is an (involuntary) exercise which produces heat.

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

Explore more

More "3 Marks Question" from Organisms and Populations→Organisms and Populations — all question types→BIOLOGY STD 12 Science question papers→Gujarat Board STD 12 Science question papers→Gujarat Board question paper generator→

Similar questions

Enlist the probable causes of infertility.
→
Briefly explain IVF and ET. What are the conditions in which these methods are advised?
→
Explain the difference between predation and Parasitism.
→
Discuss the factors which affect the rate of decomposition.
→
Draw well labelled diagram of semeniferous tubules.
→
How BOD is related to water pollution?
→
How do ‘pills’ act as contraceptives in human female?
→
Excessive and continuous use of pesticides has resulted in evolution of some new species of pests. Explain what must have led to this. What is this type of evolution called?
OR
Anthropogenic action can hasten evolution. Explain with the help of a suitable example.
→
A homozygous tall pea plant with green seeds is crossed with a dwarf pea plant with yellow seeds.
  1. What would be the phenotype and genotype of $F_1?$
  2. Work out the phenotypic ratio of $F_2$ generation with the help of Punnett square.
→
What is the role of cervix in the human female reproductive system?
→