CTET Solved Paper - CTET September 2015
- Option : D
- Explanation : (D) Adrenaline or Epinephrine hormone is also called as hormone of 3F (Fight, Flight and Fright). It is secreted by adrenal gland. It increases the heartbeat in animals.
So, its secretion increases during angry, embarrassed or worried condition.
147. Match the edible parts of plants in Column I with those in Column II.
| Column I | Column II |
| A Root | 1. Groundnut |
| B. Stem | 2. Apple |
| C. Seed | 3. Sugarcane |
| D. Fruit | 4. Carrot |
The given choices are
ABCD
- Option : C
- Explanation : (C) Edible part of carrot is root. The edible part of sugarcane is elongated stem in which very sweet sugar is present. In groundnut edible part is fruit's seed. Apple is a fruit which is fleshy in nature.
148. Which one of the following represents a group of human diseases caused by virus?
- Option : C
- Explanation : (C) Viral diseases are measles, chickenpox hepatitis, polio, mumps, AIDS, influenza etc. Bacterial diseases are typhoid, tuberculosis, leprosy, tetanus etc. Protozoans disease include, malaria, kalazar, sleeping sickness etc.
149. Which one of the following represents a group of autotrophs?
- Option : C
- Explanation : (C) Algae, spinach, tomato and banana, these all are autotrophs. They make their own food by the process of photosynthesis. Fungi is a heterotrophic organism, whereas Cuscuta (dodder) is a parasitic plant which is also a heterotrophs.
- Option : D
- Explanation : (D) Food when enter in the mouth undergo several processes for the complete digestion. The sequence of events that takes place which can be summarize below Ingestion → Digestion → Absorption → Assimilation → Egestion
