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Q:

Lysogeny can result in all of the following except

A) Acquisition of new characteristics by the host cell B) Transduction of specific genes
C) Immunity to reinfection by the same phage. D) Immunity to reinfection by any phage
 
Answer & Explanation Answer: D) Immunity to reinfection by any phage

Explanation:

Lysogeny can result in all of the following except Immunity to reinfection by any phage. Lysogeny means phage DNA is incorporated in Host cell DNA. 

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Q:

Body cells that respond to insulin include

A) Liver cells B) Endothelial cells
C) Skin cells D) Bone cells
 
Answer & Explanation Answer: A) Liver cells

Explanation:

Body cells that respond to insulin include liver cells and many other cells in the human body.

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Q:

Which of the following is not a characteristic of Pisces?

A) Exoskeleton of scales B) Breathing through gills
C) Endoskeleton of bone/cartilage D) Presence of pseudocoelom
 
Answer & Explanation Answer: D) Presence of pseudocoelom

Explanation:
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Q:

A ___________ is a long internode forming the basal part or the whole of a peduncle.

A) rhizome B) rachis
C) floral axis D) scape
 
Answer & Explanation Answer: D) scape

Explanation:
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Q:

Which of the following does nutritional genomics study?

A) how certain nutrients affect an individual's gene expression B) the precise amount of micronutrients the body needs
C) the protein content of an individual D) the genetic sequence of an individual's genome
 
Answer & Explanation Answer: A) how certain nutrients affect an individual's gene expression

Explanation:

Nutritional genomics is a science studying the effects of food and food constituents on gene expression and the relationship between human genome, nutrition and health. It is also known as nutrigenomics. It also studies how genetic variations affect the nutritional environment.

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Q:

Color blindness primarily affects

A) Children B) Male
C) Female D) Both B & C
 
Answer & Explanation Answer: B) Male

Explanation:

Color blindness primarily affects males as the the genes responsible for the most common, inherited color blindness are on the X chromosome, hence, primarily affects males.

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Q:

Sycon (Scypha), Spongilla (Fresh water sponge) and Euspongia (Bath sponge) are examples of which Phylum?

A) Coelenterata B) Platyhelminthes
C) Ctenophora D) Porifera
 
Answer & Explanation Answer: D) Porifera

Explanation:
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Q:

What is plant cell wall mainly composed of?

A) Lipids B) Vitamin
C) Cellulose D) Protein
 
Answer & Explanation Answer: A) Lipids

Explanation:
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