Question: The human sperm was first discovered by ___________?

• 1. Anton van Leeuwenhoek
• 2. Von Baer
• 3. Robert Hook
• 4. None of These

Question: Which structure gives ability to the bacterial cell to form biofilm?

• 1. Slime
• 2. Mesosomes
• 3. Capsule
• 4. Flagella

Question: In humans no of tetrads formed during mitosis is __________?

• 1. 23
• 2. 46
• 3. 0
• 4. None of These

Question: The scientific name of cat is _________?

• 1. Felis
• 2. Ficus
• 3. Homo
• 4. Tigris

Question: Path of Blood present in vessels called __________?

• 1. Capillaries
• 2. Lumen
• 3. Platelates
• 4. Plasma

Question: Average of heart beat of Adult Human?

• 1. 60 to 100
• 2. 70 to 100
• 3. 50 to 100
• 4. 80 to 100

Question: Study of impact of extra-terrestrial environments on organisms belonging to earth is component of:

• 1. Ecology
• 2. Cosmology
• 3. Exobiology
• 4. None of These

Question: How many of the bio elements constituent 99% of the total human body?

• 1. 8
• 2. 4
• 3. 6
• 4. None of These

Question: The interphase of meiosis lacks the stage?

• 1. G1
• 2. S
• 3. G2
• 4. All of these

Question: Which is not recycled in the ecosystem?

• 1. Wind
• 2. Carbon
• 3. Oxygen
• 4. Energy