SwiftSloths
WiseWhales
BraveBears
CleverCats
ToughTigers
100
What is the function of a cell membrane?
Cell membrane helps in giving shape to the cell and keeps cytoplasm inside.
100
What is the function of Nucleus?
The nucleus is called the cell's command center. It controls the cell's actions. It contains DNA.
100
Why do you call Mitochondria a powerhouse of the cell?
it produces energy.
100
What is transpiration?
This process of elimination of excess water from the plant body is known as transpiration.
100
Which organelle is called as the kitchen of the plant cell? Describe the organelle.
Chloroplast - Which is green in colour and contains chlorophyll.
200
Why do Red blood cell don't have a nucleus?
To carry more oxygen.
200
What are the 7 characteristics of living beings?
Explain Respiration.
MRS. GREN
Respiration - Breaking down of complex substances into simpler ones using oxygen.
200
State the function of Dendrites in neuron.
Nerve cells possess dendrites that receive signals from other cells.
200
Which pigment helps carry oxygen in the human body?
Haemoglobin
200
State 2 differences between plant and animal cell and explain why.
Animal cells don't have a cell wall as they can move for survival.
They don't have a chloroplast and large vacuole.
300
What is the term for the process by which a seed begins to grow into a new plant after dispersal?
Seed germination
300
What are the three main stages of a plant's life cycle?
Germination, growth, and reproduction.
300
How does the size of a plant's leaves affect how much water it loses?
The bigger the leaves, the more water a plant can lose.
300
Why do some plants have large leaves while others have small leaves?
Some plants have large leaves to capture more sunlight for photosynthesis, while others have small leaves to conserve water and reduce transpiration.
300
How does a mango seed obtain nutrition to start growing?
A mango seed obtains nutrition from the soil through its roots once it starts germinating and establishing itself as a plant.
400
Explain how an owl's eyes are adapted for hunting in low light conditions.
An owl's eyes are large and forward-facing, giving them binocular vision for accurate depth perception.
400
How do organisms involved in mutualistic relationships depend on each other for survival?
Organisms in mutualistic relationships depend on each other for resources such as food, protection, or transportation, enhancing their chances of survival and reproductive success.
400
Barnacles attach to the shell of a turtle for transportation without affecting the turtle. Identify symbiotic relationship.
Commensalism
400
Give one example of Parasitism.
Fleas living on dogs and feeding on their blood.
Accept other correct answers.
400
Explain what would happen to the population of rabbits if the population of foxes decreases significantly in a forest food chain.
If the population of foxes decreases significantly, there would be fewer predators to control the rabbit population. As a result, the rabbit population would likely increase, leading to competition for food and potential overgrazing of vegetation.
500
Which group does snake belongs to? Justify with 4 reasons.
Reptile - Scaly skin, Cold blooded, lay eggs on land, Lungs present, and Internal ears.
500
Identify the group of vertebrate following animal belongs to? and state 3 characteristics.
Mammal - dolphin
Warm-blooded
give birth to young ones.
Hair/fur present
Feed milk to young ones.
500
Describe a simple food chain in a grassland ecosystem and identify the producers, consumers, and decomposers.
Grass → Grasshopper → Frog → Snake → Hawk. Producers: Grass. Consumers: Grasshopper, Frog, Snake, Hawk. Decomposers: Bacteria, Fungi.
500
Define species with one example.
Species is a group of organisms that can interbreed and produce fertile offspring. Example: Dogs (Canis lupus familiaris) are a species that includes various breeds like Labrador Retrievers, German Shepherds, and Poodles.
500
What can happen if the nervous system is not working properly?
If the nervous system is not working properly, it can lead to various problems such as difficulty in moving, speaking, thinking, or remembering. It can also result in sensory issues such as numbness, tingling, or loss of sensation. Additionally, malfunctioning of the nervous system can cause disruptions in bodily functions like breathing, heart rate, and digestion.