1st Year Biology Chapter 1 TestBiodiversity and Classification

Q1. Multiple choice questions (Attempt all · 10 × 1 = 10)

1. What type of body symmetry do chordates exhibit?

   1. Radial

   2. Bilateral

   3. Asymmetrical

   4. None of the above

2. Mutualism is a symbiotic relationship in which:

   1. Both organisms are harmed

   2. One benefits, one is harmed

   3. Both benefit

   4. Neither benefits

3. What supports conservation through biodiversity assessment?

   1. Urban planning

   2. Random sampling

   3. Pollination

   4. Erosion control

4. Which body is covering is secreted by annelid epidermis?

   1. Hair

   2. Shell

   3. Moist acellular cuticle

   4. Mantle

5. What type of nervous system do annelids have?

   1. Nerve net

   2. Brain and longitudinal nerve cords

   3. Nerve ring

   4. No nervous system

6. Echinoderm adults exhibit:

   1. Bilateral symmetry

   2. Radial symmetry

   3. Asymmetry

   4. No symmetry

7. Which group includes rusts and smuts?

   1. Ascomycota

   2. Zygomycota

   3. Myxomycota

   4. Basidiomycota

8. What does quadrat count help estimate?

   1. Climate

   2. Species movement

   3. Individual abundance

   4. Soil type

9. How many chambers are present in the mammalian heart?

   1. Two

   2. Three

   3. Four

   4. Five

10. T4 phage infects:

    1. Plants

    2. Animals

    3. Bacteria

    4. Fungi