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Q:

Which of the following is a nitrogen-fixing bacteria?

A) Salmonella B) Rhizobium
C) E.coli D) Pseudomonas
 
Answer & Explanation Answer: B) Rhizobium

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Q:

T cell activation requires

A) T cell receptor (TCR) B) PTK function
C) APC  D) All the above
 
Answer & Explanation Answer: A) T cell receptor (TCR)

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Q:

Which one of the following derives nutrition from plants as a parasite?

A) Malaria Parasite B) Lice
C) Bryophyllum D) Cuscuta
 
Answer & Explanation Answer: D) Cuscuta

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Q:

Which of the following is a bisexual flower?

A) Cucumber B) Mustard
C) Watermelon D) Papaya
 
Answer & Explanation Answer: B) Mustard

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Q:

A fungal cell wall is made of :

A) lignin B) hemi-cellulose
C) chitin D) cellulose
 
Answer & Explanation Answer: C) chitin

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Q:

Implantation is the process of

A) the development of a child inside the mother's body B) attachment of zygote to the lining of a uterus
C) nutrition from mother's blood through placenta D) developing an embryo and its nourishment
 
Answer & Explanation Answer: B) attachment of zygote to the lining of a uterus

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Q:

Identify an example of a connective tissue in humans.

A) Fibres B) Bone
C) Muscles D) Cell
 
Answer & Explanation Answer: B) Bone

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Q:

Which of the following plant tissues is capable of cell division?

A) Parenchyma B) Sclerenchyma
C) Meristem D) Xylem
 
Answer & Explanation Answer: C) Meristem

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