Plant Physiology (Botany) (Part-II)

Total Questions: 33

11. During the process of photosynthesis, which of the following type of energy is absorbed by chlorophyll? [S.S.C. JE Civil Exam 30.10.2020 (Shift-I)]

Correct Answer: (c) Light energy
Solution:Light energy -
During photosynthesis, chlorophyll absorbs light energy from the sun. This light energy is then converted into chemical energy in the form of glucose. Radiant energy encompasses the entire electromagnetic spectrum, including light, so while light energy is a form of radiant energy, "light energy" is the more specific and accurate answer in this context.

12. Which of the following plays an important role in photosynthesis? [S.S.C. Online Graduate Level (T-I) 3.09.2016 (Shift-II)]

Correct Answer: (a) Chloroplast
Solution:Chloroplast -
Chloroplasts are the organelles within plant cells where photosynthesis takes place. They contain chlorophyll, the pigment that captures light energy.

13. Which of the following is a diverse group of aquatic organisms capable of photosynthesis? [S.S.C. Online CPO SI (T-I) 09.11.2022 (Shift-I)]

Correct Answer: (d) Algae
Solution:Algae -
Algae are a diverse group of aquatic organisms, ranging from single-celled to multicellular forms, that are capable of performing photosynthesis.

14. Where do the reactions that take the energy of photosynthesis take place? [S.S.C. Online MTS (T-I) 5.10.2017 (Shift-III)]

Correct Answer: (c) stroma
Solution:Photosynthesis energy acquisition occurs in the grana’s liquid stroma within the chloroplast.

15. Chlorophyll was first isolated and named by ______ . [S.S.C. Online CHSL (T-I) 16.01.2017 (Shift-III)]

Correct Answer: (d) Caventou and Pelletier
Solution:Caventou and Pelletier -
Chlorophyll was first isolated and named by the French chemists Joseph Bienaimé Caventou and Pierre Joseph Pelletier in the early 19th century.

16. Name the tissue that transports food to various parts of a plant. [S.S.C. Online Graduate Level (T-I) 12.06.2019 (Shift-I)]

Correct Answer: (a) Phloem
Solution:Phloem -
Phloem is the vascular tissue in plants responsible for transporting sugars (food) produced during photosynthesis from the leaves to other parts of the plant.

17. Phloem is responsible for the transport of which in plants? [S.S.C. Online MTS (T-I) 20.08.2019 (Shift-I)]

Correct Answer: (a) Food items
Solution: Food items -
Phloem's primary function is the translocation of sugars (food) throughout the plant.

18. Roots absorb water and _____ from the soil? [S.S.C. Online MTS (T-I) 19.09.2017 (Shift-I)]

Correct Answer: (a) Minerals
Solution:Minerals -
Roots absorb both water and essential minerals from the soil, which are crucial for various plant functions and growth.

19. Which one of the following is not included in the main functions of the root system of a plant? [S.S.C. Online CGL (T-I) 17.08.2021 (Shift-III)]

Correct Answer: (c) supplying food to plant parts
Solution:

Supplying food to plant parts -
The primary function of supplying food to plant parts is carried out by the phloem, not the root system. Roots are mainly involved in anchorage, water absorption, and mineral absorption.

20. _____ is the water transporting tissue in plants. [S.S.C. Online CGL (T-I) 20.08.2021 (Shift-II)]

Correct Answer: (c) Xylem
Solution: Xylem -
Xylem is the vascular tissue in plants that is responsible for the transport of water from the roots to the rest of the plant.