- 1(current)
Q. No.Which of the following organisms are known as chief producers in the oceans?
| 1. | Dinoflagellates | 2. | Diatoms |
| 3. | Cyanobacteria | 4. | Euglenoids |
Subtopic: Kingdom Protista: Chrysophytes |
92%
Level 1: 80%+
NEET - 2018
Hints
Links
Select the wrong statement:
| 1. | The walls of diatoms are easily destructible |
| 2. | Diatomaceous earth is formed by the cell walls of diatoms |
| 3. | Diatoms are chief producers in the oceans |
| 4. | Diatoms are microscopic and float passively in water |
Subtopic: Kingdom Protista: Chrysophytes |
92%
Level 1: 80%+
NEET - 2016
Hints
In which group of organisms the Cell walls form two thin overlapping shells which fit together?
| 1. | Chrysophytes | 2. | Euglenoids |
| 3. | Dinoflagellates | 4. | Slime moulds |
Subtopic: Kingdom Protista: Chrysophytes |
82%
Level 1: 80%+
NEET - 2015
Hints
Unlock IMPORTANT QUESTION
This question was bookmarked by 5 NEET 2025 toppers during their NEETprep journey. Get Target Batch to see this question.
✨ Perfect for quick revision & accuracy boost
Buy Target Batch
Access all premium questions instantly
Auxospores and hormocysts are formed respectively, by:
1. Some cyanobacteria and many diatoms
2. Several diatoms and a few cyanobacteria
3. Several cyanobacteria and several diatoms
4. Some diatoms and several cyanobacteria
Subtopic: Kingdom Protista: Chrysophytes |
Level 3: 35%-60%
AIPMT - 2005
Hints
Diatomaceous earth is used as a heat insulator in boilers and steam pipes because the cell wall of diatom is
1. Composed of iron
2. Composed of silicon dioxide
3. a good conductor of heat
4. a bad conductor of electricity
Subtopic: Kingdom Protista: Chrysophytes |
85%
Level 1: 80%+
AIPMT - 1999
Hints
- 1(current)
Q. No.
© 2025 GoodEd Technologies Pvt. Ltd.