Differentiate between microsporogenesis and megasporogenesis. Which type of cell division occurs during these events? Name the structures formed at the end of…
First census of India was done in A. 1871 – 1881 B. 1911 – 1921 C. 1981 – 1991 D. 1951 –…
Name the part of the flower which the tassels of the corn-cob represent. Hint: Corn is a monoecious plant, meaning it bears…
Explain that sunlight is essential for photosynthesis. Hint: Photosynthesis is the method plants use to create food in the presence of sunlight…
Hint: The aquatic ecosystem contains a diverse array of living organisms and provides habitat for many species of aquatic plants, algae, and…
Gather information about solar light, solar water heating system and solar cooker. Hint:Solar energy is sunlight and heat captured through a range…
Draw a neat and well labeled diagram of T.S of ovary and describe the menstrual cycle in human females. Hint: The ovary…
Differentiate between the following. a) Wildlife sanctuary and biosphere reserve b) Zoo and Wildlife sanctuary c) Endangered and extinct species d) Flora…
How do Mendel’s experiments show that the Traits may be dominant or recessive? Hint: Mendel’s experiments demonstrate that traits can be classified…
Paragraph on the clean and green earth. Hint: Earth is the only known planet in the universe that supports life. Thus, it…