NSC Life Sciences Reproduction in Vertebrates: 1.1 Below is a list of terms rel

Question

1.1 Below is a list of terms relating to reproduction:

A) Vivipary
B) Ovipary
C) Ovovivipary
D) Asexual reproduction

Which of the following involves the development of the young inside the uterus of the mother and where it receives nutrients through the placenta?

1.1.1

1.1.2 Which ONE of the following activities will help to maintain biodiversity in a country?

A) Habitat destruction
B) Overfishing
C) The introduction of alien plants
D) Sustainable use of plant and animal resources

1.2 Give the correct biological term for each of the following descriptions.
1.2.1 The structure that provides information about the position of the head.
1.2.2 The part of the eye that absorbs excess light.
1.2.3 A plant hormone that helps plant roots grow.
1.2.4 A flammable gas produced in landfills.
1.2.5 The part of the brain that regulates breathing.
1.2.6 The process of maintaining a constant internal environment in the human body.
1.2.7 The membrane that, together with the endometrium, forms the placenta.
1.2.8 The structure in the head of a sperm containing digestive enzymes.

1.3 Indicate whether each of the statements in COLUMN 1 applies to A ONLY, B ONLY, BOTH A AND B or NONE of the items in COLUMN 1.

1.3.1 Unfertilized eggs released from:
1.3.2 Plant hormone that helps plant roots grow, such as unripe fruit. 
1.3.3 Hormone secreted by the pituitary gland.

1.4 The diagrams below show the response of the human eye to different conditions.

Diagram 1

Identify part:
(a) A
(b) B
(c) C

Identify the process in Diagram 1.
1.4.2 Name the part of the eye that is responsible for the response in Diagram 1.
1.4.4 State the consequence to the person's vision if the process in Diagram 2 does not occur.

1.5 The diagram below represents an endocrine gland A and the events that take place in the ovary during the menstrual cycle in humans.
Identify:
(a) Gland A
(b) Structure B
(c) Process C
(d) Structure D
(e) State the effect on the oestrogen levels in the blood if gland A stops secreting FSH.
(f) State ONE function of LH.

1.6 A normal, healthy person was placed in a cold room. After 30 minutes the thermal image shown below was produced. This thermal image indicates the temperature of different parts of the body. Lighter colors on the scan indicate temperatures lower than normal body temperature.

Identify:
1.6.1 Which colour, black, grey or white, represents the normal body temperature?

1.6.2 State what occurred in each of the following parts in this person's skin during temperature regulation:
(a) Blood vessels
(b) Sweat glands

1.6.3 Name the part of the brain that is responsible for thermoregulation.

1.6.4 State the way in which the thermal image would differ if the person was placed in a hot room for 30 minutes.

1.1.1 Which of the following involves the development of the young inside the uterus of the mother and where it receives nutrients through the placenta?

1.1.2 Which ONE of the following activities will help to maintain biodiversity in a country?

1.2 Give the correct biological term for each of the following descriptions.

1.3 Indicate whether each of the statements in COLUMN 1 applies to A ONLY, B ONLY, BOTH A AND B or NONE of the items in COLUMN 1.

1.4.1 Identify part: (a) A

1.4.1 Identify part: (b) B

1.4.1 Identify part: (c) C

1.4.2 Identify the process in Diagram 1.

1.4.3 Name the part of the eye that is responsible for the response in Diagram 1.

1.4.4 State the consequence to the person's vision if the process in Diagram 2 does not occur.

1.5.1 Identify: (a) Gland A

1.5.1 Identify: (b) Structure B

1.5.1 Identify: (c) Process C

1.5.1 Identify: (d) Structure D

1.5.2 State the effect on the oestrogen levels in the blood if gland A stops secreting FSH.

1.5.3 State ONE function of LH.

1.6.1 Identify which colour represents the normal body temperature.

1.6.2 State what occurred in each of the following parts in this person's skin during temperature regulation: (a) Blood vessels

1.6.2 State what occurred in each of the following parts in this person's skin during temperature regulation: (b) Sweat glands

1.6.3 Name the part of the brain that is responsible for thermoregulation.

1.6.4 State the way in which the thermal image would differ if the person was placed in a hot room for 30 minutes.

Join the NSC students using SimpleStudy...