Advertisements
Advertisements
प्रश्न
Give biological explanations for All the food chains begin with green plants.
Advertisements
उत्तर
Green plants are the only organisms that are able to synthesize food from CO2 and H2O in presence of chlorophyll and sunlight. However, animals depend upon plants for food. Therefore, all food chains begin with green plants
APPEARS IN
संबंधित प्रश्न
What are sexually transmitted diseases?
Why are testes located outside the abdominal cavity? What is responsible for bringing about changes in appearance seen in boys at the time of puberty?
The diagram shown below is the longitudinal section of a testis of man. Study it carefully and answer the questions that follow
(i) Label the parts numbered 1 to 3 in the diagram.
(ii) In which part of the testis are the sperms produced?
(iii) State the functions of the parts labelled 1 and 3 in the diagram.
Give appropriate biological/technical terms for the following:
The kind of twins formed from two fertilized eggs.
Why does menstruation occur?
Name the organs which produce ova (or egg cells) in human females.
Which of the following is not a sexually transmitted disease?
(a) gonorrhoea
(b) hepatitis
(c) syphilis
(d) AIDS
Explain how the sex of the child is determined at the time of conception in human beings.
Pollen grains are formed by ______ division in locules of anthers.
Choose the Odd One Out:
