Additional Science Biology

This is a product of Mr Essex a member of the science department of Dartford

Technology College

Question 1

• When heart rate increases during exercise the muscles will need more?

• Oxygen

• Carbon dioxide

• Water

• Lactic acid

Question 2

• Which of the following are both waste products made by muscles during exercise?

• Glucose and water

• Glucose and oxygen

• Carbon dioxide and Glucose

• Carbon dioxide and water

Question 3

• Which gas is produced by pond weed in bright sunlight?

• Carbon dioxide

• Hydrogen

• Nitrogen

• Oxygen

Question 4

• Plants are needed in a biosphere to make?

• Food for animals

• Food for other plants

• Soil for the animals

• Air for the animals

Question 5

• Decomposers are also needed in the biosphere?

• To remove carbon dioxide

• To break down animal waste

• To make food for the animals

• To recycle water

Question 6

• Mitosis produces the following?

• Plant hormones

• Body cells for growth

• Sex cells

• Embryos

Question 7

• A zygote is one of the following?

• An ovum

• A cell implanted into the uterus

• A cell with no nucleus

• A fertilised cell

Question 8

• The Hayflick limit is?

• The number of times a cell can stretch.

• The number of times a cancer cell divides.

• The number of times a cell divides.

• The number of times a cell rotates.

Question 9

• Anabolic steroids are used to?

• Make athletes lose weight.

• Make women lose hair.

• Make more female hormones.

• Make muscles increase in size.

Question 10

• Stem cells have a special ability?

• To become any type of cell.

• Make twice as many chromosomes.

• To change a persons sex.

• To make genes in a chromosome.

Question 11

• Which of the following structures is only found in a plant cell?

• Cell membrane.

• Nucleus.

• Cytoplasm.

• Cell wall.

Question 12

• Which nutrients are found in plants?

• Just proteins.

• Just fats.

• Just Carbohydrates.

• Proteins, Fats and Carbohydrates

Question 13

• Which of the following would give the best conditions for photosynthesis?

• Dull cloudy day

• Dusk

• Bright clear sunny day

• Low level artificial lighting in a greenhouse

Question 14

• How do plants absorb nitrogen to make protein?

• Directly through the stem in the air.

• From ammonia in animals excrement.

• They digest living bacteria in the soil.

• The roots absorb nitrates from the soil.

Question 15

• Which of the following has the biggest food shortage?

• United States of America

• Africa

• Australia

• United Kingdom

Question 16

• When the number of predators rises then the number of prey?

• Falls.

• Increases.

• Stays the same.

• Stops reproducing.

Question 17

• Phosphate pollution comes mainly from one of the following?

• Farm fertiliser

• Sewage

• Fish

• Water

Question 18

• Nitrate pollution mainly comes from one of the following?

• Farm fertiliser

• Sewage

• Fish

• Amphibians

Question 19

• Which of the following gases is responsible for most of the acid rain?

• Carbon dioxide.

• Nitrogen dioxide

• Sulphur dioxide

• Methane

Question 20

• When people want a higher standard of living this usually results in an increased demand for?

• Pollution.

• Energy.

• Conservation.

• Food.

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