This question is a collection of short-answer and multiple-choice biology questions about reproduction, plant biology, and ecology.

Here are the answers to your questions:

QUESTION 2

2.1 Foetus:

• A ONLY

2.2 Ovary:

• A ONLY

2.3 Germination:

• BOTH A and B

2.4 Pollinator:

• B ONLY

2.5 Contraceptive:

• NONE

QUESTION 3

3.1 Type of pollination where a pollen grain is transferred from the anther to the stigma of the same flower.

• Self-pollination

3.2 A group of flowering plants with a tap root and net venation.

• Dicotyledons

3.3 A male reproductive organ that produces sperm cells.

• Testis

3.4 Part of the seed that provides the developing embryo with nutrients.

• Cotyledon

3.5 The fusion of an egg with a sperm cell.

• Fertilization

QUESTION 4

4.1 Explain what the biosphere is.
The biosphere is the global sum of all ecosystems, representing the zone of life on Earth. It encompasses all living organisms and their interactions with the Earth's lithosphere (land), hydrosphere (water), and atmosphere (air).

4.2 Name three components of Earth's biosphere.

• Lithosphere
• Hydrosphere
• Atmosphere

4.3 Given: springbok, grass, decomposing bacteria, lion. Draw a food chain using arrows and names of the organisms given.

• Grass $\rightarrow$ Springbok $\rightarrow$ Lion

4.4 Name two requirements for Photosynthesis.

• Carbon dioxide
• Water