Conifers are adapted to tolerate extreme environmental conditions because of?

1. broad hardy leaves

2. superficial stomata

3. thick cuticle

4. the presence of vessels

Subtopic:  Gymnosperms |
 87%
From NCERT
NEET - 2016
To view explanation, please take trial in the course.
NEET 2025 - Target Batch
Hints
To view explanation, please take trial in the course.
NEET 2025 - Target Batch

Which one of the following statements is wrong?

1. Algae increase the level of dissolved oxygen in the immediate environment
2. Algin is obtained from red algae and carrageenan from brown algae
3. Agar-agar is obtained from Gelidium and Gracilaria
4. Laminaria and Sargassum are used as food

Subtopic:  Algae |
 86%
From NCERT
NEET - 2016
To view explanation, please take trial in the course.
NEET 2025 - Target Batch
Hints
To view explanation, please take trial in the course.
NEET 2025 - Target Batch

The term 'polyadelphous' is related to?

1. gynoecium

2. androecium

3. corolla

4. calyx

Subtopic:  Parts of Flower: II | Flower & Parts of Flower |
 85%
From NCERT
NEET - 2016
To view explanation, please take trial in the course.
NEET 2025 - Target Batch
Hints
To view explanation, please take trial in the course.
NEET 2025 - Target Batch

How many plants among Indigofera, Sesbania, Salvia, Allium, Aloe, mustard, groundnut, radish, gram and turnip have stamens with different lengths in their flowers?

1.  Three

2.  Four

3.  Five

4.  Six

Subtopic:  Flower & Parts of Flower |
 62%
NEET - 2016
Please attempt this question first.
Hints

Radial symmetry is found in the flowers of?

1. Brassica

2. Trifolium

3. Pisum

4. Cassia

Subtopic:  Flower & Parts of Flower |
 66%
From NCERT
NEET - 2016
To view explanation, please take trial in the course.
NEET 2025 - Target Batch
Hints
To view explanation, please take trial in the course.
NEET 2025 - Target Batch

Free-central placentation is found in?

1. Dianthus

2. Argemone

3. Brassica

4. Citrus

Subtopic:  Flower & Parts of Flower |
 83%
From NCERT
NEET - 2016
To view explanation, please take trial in the course.
NEET 2025 - Target Batch
Hints
To view explanation, please take trial in the course.
NEET 2025 - Target Batch

Cortex is the region found between?

1. epidermis and stele

2. pericycle and endodermis

3. endodermis and pith

4. endodermis and vascular bundle

Subtopic:  Anatomy of Root |
 73%
From NCERT
NEET - 2016
To view explanation, please take trial in the course.
NEET 2025 - Target Batch
Hints
To view explanation, please take trial in the course.
NEET 2025 - Target Batch

The balloon-shaped structures called tyloses:

1. originate in the lumen of vessels

2. characterise the sapwood

3. are extensions of xylem parenchyma cells into vessels

4. are linked to the ascent of sap through xylem vessels

Subtopic:  Complex Tissue: Xylem |
 76%
NEET - 2016
Please attempt this question first.
Hints

A non-proteinaceous enzyme is:

1. lysozyme

2. ribozyme

3. ligase

4. deoxyribonuclease

Subtopic:  Enzymes |
 76%
From NCERT
NEET - 2016
To view explanation, please take trial in the course.
NEET 2025 - Target Batch
Hints
Links
To view explanation, please take trial in the course.
NEET 2025 - Target Batch

Select the mismatch:

    Column I Column II
1. Gas vacuoles Green bacteria Cells
2. Large central vacuoles  Animal cells
3. Protists Eukaryotes
4. Methanogens Prokaryotes
Subtopic:  Prokaryotic Cell Organisation | Eukaryotic Cell Orgenelle |
 86%
From NCERT
NEET - 2016
To view explanation, please take trial in the course.
NEET 2025 - Target Batch
Hints
To view explanation, please take trial in the course.
NEET 2025 - Target Batch