Biology Unit 1 Flashcards Preview

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Flashcards in Biology Unit 1 Deck (23):
1

(B1.1.1) Your body uses carbohydrates and proteins to release the energy you need to live and produce new cells. Which of the following does it also use?

Fats

2

(B1.1.1) People who are 'malnourished' are those who have

An unbalanced diet, Too much food, Too little food

3

(B1.1.2) Which type of white blood cell can become a memory cell?

Lymphocyte

4

(B1.1.2) Which type of white blood cell releases antibodies?

Lymphocyte

5

(B1.1.2) What do antibiotics kill?

Bacteria

6

(B1.1.2) What do antitoxins do?

Counteract the poisons released by pathogens

7

(B1.1.2) Which type of white blood cell has a lobed nucleus?

Phagocyte

8

(B1.2.1) What is the transparent structure at the front of the eye that allows light to enter called?

Cornea

9

(B.1.2.1) In dim conditions, which muscles contract to increase the size of the pupils?

Radial muscles

10

(B1.2.1) Which neurons are responsible for converting external stimuli from the environment into internal stimuli?

Sensory neurones

11

(B1.2.1) What do the ciliary muscles do to refract light from a nearby object?

Contract

12

(B1.2.1) In bright conditions, which muscles contract to reduce the size of the pupils?

Circular muscles

13

(B1.2.2) Which part of the skin brings heat energy to the surface to be released if body temperature is too high?

Capillaries

14

(B1.2.2) What is the process of maintaining a constant internal environment in the body called?

Homeostasis

15

(B1.2.2) Which of the following endocrine glands secrets progesterone?

Ovaries

16

(B1.2.2) Which part of the skin is responsible for insulation against heat loss?

Fat layer

17

(B1.2.2) Which of the following hormones is secreted by the ovaries?

Progesterone

18

(B1.2.2) Which of the following hormones is secreted by the ovaries?

Progesterone

19

(B1.2.3) What are plant shoots not sensitive to?

Moisture

20

(B1.2.3) What 3 things are plants sensitive to?

Light, Gravity, Moisture

21

(B1.2.3) Complete the sentence: the plant shoot grows more on the side with the ___ auxin?

Most

22

(B1.2.3) Complete the sentence: the plant root grows more on the side with the ___ auxin?

Least

23

(B1.2.3) Plant growth hormones can be used as weed killers. Tue or False

Plant growth hormones can be used as weed killers