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 Biology Questions

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Q:

......... reproduces by binary fission

A) Amoeba B) Liverfiuke
C) Plasmodium D) Planaria
 
Answer & Explanation Answer: A) Amoeba

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Filed Under: Biology
Exam Prep: AIEEE

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Q:

Which one of the following tissues is responsible for increase of girth in the stem of a plant?

A) Tracheid B) Pericycle
C) Intercalary meristem D) Lateral meristem
 
Answer & Explanation Answer: D) Lateral meristem

Explanation:

In vascular plants, the lateral meristem is one of two meristems in which growth occurs in order to increase stem girth. A meristem is the region of plant tissue found on the tips of roots and shoots. It is where cell division occurs to produce new growth.

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Q:

The predominant stage of the life cycle of a moss is the gametophyte which consists of two stages. The second stage is the ___________ stage.

A) Agar B) Leafy
C) Chlorella D) protonema
 
Answer & Explanation Answer: B) Leafy

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Q:

Path a secretory protein follows from synthesis to secretion :

Answer

Protein syntehsis, endoplasmic reticulum, cis golgi cisternae, medial golgi cisterna, trans golgi cisterna, plasma membrane, extracellular space

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Subject: Biology Exam Prep: AIEEE , Bank Exams

2 1200
Q:

Which of the following does not hold true for Animal belonging to Phylum Chordate?

A) Notochord present B) Pharynx perforated by gill slits.
C) Heart is dorsal (if present) D) A post-anal part (tail) is present
 
Answer & Explanation Answer: C) Heart is dorsal (if present)

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2 1199
Q:

Which type of permanent tissue helps the aquatic plants to float?

A) Aerenchyma B) Collenchyma
C) Sclerenchyma D) No option is correct
 
Answer & Explanation Answer: A) Aerenchyma

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Q:

The predominant stage of the life cycle of a moss is the gametophyte which consists of two stages. The second stage is the ___________ stage.

A) Agar B) Leafy
C) Chlorella D) protonema
 
Answer & Explanation Answer: B) Leafy

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Filed Under: Biology
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1 1198
Q:

Which of the following bacterium causes crown gall disease in plants?

A) Bacillus thurigiensis B) Agrobacterium tumefaciens
C) Pseudomonas fluorescens D) None of these
 
Answer & Explanation Answer: B) Agrobacterium tumefaciens

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Filed Under: Biology
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