In which of the following stages of silkworm, silk is secreted Adult Egg Pupa Larva TRUE ANSWER : ? YOUR ANSWER : ?
The scientific study of how organisms interact with their environment is called Zoology Ecology None of these Evolution TRUE ANSWER : ? YOUR ANSWER : ?
Lysosome is formed from which of the following cell organelles? Endoplasmic reticulum Nucleus Golgi bodies Ribosomes TRUE ANSWER : ? YOUR ANSWER : ?
Which one of the following phylum is characterised by absence of true coelom Annelida Echinodermata Nematoda Mollusca TRUE ANSWER : ? YOUR ANSWER : ?
Which of the following would cause gene flow? Mutation Individuals moving into population Genetic drift Artificial selection TRUE ANSWER : ? YOUR ANSWER : ?
The outer membrane that covers the lungs Dura mater Pia mater Pleura Myelin sheath TRUE ANSWER : ? YOUR ANSWER : ?
The gas released during the photosynthesis by the green plants is Carbon dioxide Nitrogen Oxygen Water vapour TRUE ANSWER : ? YOUR ANSWER : ?
Which tissue makes the plant hard and stiff? Collenchyma Xylem Parenchyma Sclerenchyma TRUE ANSWER : ? YOUR ANSWER : ?
Any foreign object that gains entry into the cell is immediately engulfed by the ________ and is completely broken into simple digestible pieces. Lysosomes Platelets Haemoglobin R.B.Cs TRUE ANSWER : ? YOUR ANSWER : ?