Biology Questions

Q:

Vivipary is defined as germination

A) during storage B) within the fruit
C) with cotyledons coming out of soil D) with cotyledons remaining inside the soil
 
Answer & Explanation Answer: B) within the fruit

Explanation:

Vivipary means germination even when attached to the mother plant. Usually the saline marsh plants (Halophytes) have their seeds growing even when they are inside the fruits attached to the tree.

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Q:

What do eukaryotic cells have that prokaryotic cells do not?

A) Nucleus B) Cytoplasm
C) Ribosomes D) DNA
 
Answer & Explanation Answer: A) Nucleus

Explanation:

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Eukaryotic cells contain membrane-bound organelles, including a nucleus. Eukaryotes can be single-celled or multi-celled, such as you, me, plants, fungi, and insects.

 

Whereas Prokaryotic cells do not contain a nucleus or any other membrane-bound organelle. Bacteria are an example of prokaryotes.

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Q:

Botany is also known as

A) Phytology B) Phycology
C) Pedology D) Plantophyta
 
Answer & Explanation Answer: A) Phytology

Explanation:
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Q:

Which of the following cells do not contain nucleus?

1. Root hair cells

2. Red blood cells

3. Platelets

4. Monocytes

Select the correct answer using the code given below.

A) 1 only B) 2 and 3 only
C) 1, 2 and 4 D) 2, 3 and 4
 
Answer & Explanation Answer: B) 2 and 3 only

Explanation:

The absence of a nucleus is an adaptation of the red blood cell for its role. It allows the red bloodcell to contain more haemoglobin and, therefore, carry more oxygen moleculesLike red cells, platelets (thrombocytes) have no nucleus.Monocytes have a small spherical nucleus and has abundant dark staining condensed chromatin.There are 5 organelles found in a root hair cell. They are the: nucleus, cytoplasm, cell membrane, cell wall and vacuole.

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Q:

Tissue in which cells have lost the capacity of cell division 

A) Mesristmatic tissue B) Permanent tissue
C) Both a and b D) None of these
 
Answer & Explanation Answer: B) Permanent tissue

Explanation:
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Q:

During rainy season wooden doors are difficult to open or closure because of  ?

A) Imbibition B) Plasmolysis
C) Diffusion D) Osmosis
 
Answer & Explanation Answer: A) Imbibition

Explanation:
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Q:

The gland that is present close to Trachea

A) Pancreas B) Liver
C) Adrrenal D) Thyroid
 
Answer & Explanation Answer: D) Thyroid

Explanation:
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93 12779
Q:

What Is The Study Of Cells Called

A) Cellogysm B) Cytology
C) Cell Biology D) Both B & C
 
Answer & Explanation Answer: D) Both B & C

Explanation:

The branch of biology that studies the different structures and functions of the cell is called Cell Biology or Cytology.

 
Cell biology (formerly called Cytology), is a Greek word: kytos, "vessel" is a branch of biology that studies the different structures and functions of the cell and focuses mainly on the idea of the cell as the basic unit of life.


The cell (from Latin cella, meaning "small room") is the basic



        • Structural,
        • Functional (and) 
        • Biological unit of all known living organisms. 




A cell is the smallest unit of life that can replicate independently, and cells are often called the "building blocks of life". 

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