Recent questions tagged 2019

The correct structure of tribromooctaoxide is :-

asked Jul 10, 2019 by pady_1

2 answers

A particle moving with velocity $\overrightarrow {\rm{V}}$ is acted by three forces shown by the vector triangle PQR. The velocity of the particle will :

asked Jul 10, 2019 by pady_1

2 answers

A cylindrical conductor of radius R is carrying a constant current. The plot of the magnitude of the magnetic field, B with the distance d, from the centre of the conductor, is correctly represented by the figure

asked Jul 10, 2019 by pady_1

1 answer

The structure of intermediate A in the following reaction is :-

asked Jul 10, 2019 by pady_1

1 answer

The most suitable reagent for the following conversion is :-

asked Jul 10, 2019 by pady_1

1 answer

The compound that is most difficult to protonate is:-

asked Jul 10, 2019 by pady_1

1 answer

Select correctly written scientific name of Mango which was first described by Carolus Linnaeus:

asked Jul 8, 2019 by pady_1

2 answers

Select the correct group of biocontrol agents.

asked Jul 8, 2019 by pady_1

1 answer

Match the Column - I with Column -II

asked Jul 8, 2019 by pady_1

1 answer

Which of the following statements regarding mitochondria is incorrect?

asked Jul 8, 2019 by pady_1

1 answer

Which of the following is a commercial blood cholesterol lowering agent?

asked Jul 8, 2019 by pady_1

2 answers

Tidal Volume and Expiratory Reserve Volume of an athlete is 500 mL and 1000 mL respectively. What will be his Expiratory Capacity if the Residual Volume is 1200 mL?

asked Jul 8, 2019 by pady_1

1 answer

How does steroid hormone influence the cellular activities?

asked Jul 8, 2019 by pady_1

2 answers

Identify the correct pair representing the causative agent of typhoid fever and the confirmatory test for typhoid

asked Jul 8, 2019 by pady_1

2 answers

Match the hominids with their correct brain size :

asked Jul 8, 2019 by pady_1

1 answer

Select the correct sequence of organs in the alimentary canal of cockroach starting from mouth:

asked Jul 8, 2019 by pady_1

1 answer

Match the following genes of the Lac operon with their respective products.

asked Jul 8, 2019 by pady_1

1 answer

What is the fate of the male gametes discharged in the synergid?

asked Jul 8, 2019 by pady_1

2 answers

Which of the statements given below is not true about formation of Annual Rings in trees?

asked Jul 8, 2019 by pady_1

1 answer

The ciliated epithelial cells are required to move particles or mucus in a specific direction. In humans, these cells are mainly present in :

asked Jul 8, 2019 by pady_1

2 answers

What triggers activation of protoxin to active Bt toxin of Bacillus thuringiensis in boll worm?

asked Jul 8, 2019 by pady_1

2 answers

Which would be the heart rate of a person if the cardiac output is 5L, blood volume in the ventricles at the end of diastole is 100 mL and at the end of ventricular systole is 50 mL?

asked Jul 8, 2019 by pady_1

1 answer

Match Column - I with Column - II.

asked Jul 8, 2019 by pady_1

1 answer

Cells in $G_0$ phase:

asked Jul 8, 2019 by pady_1

1 answer

Persistent nucellus in the seed is known as :

asked Jul 8, 2019 by pady_1

2 answers

It takes very long time for pineapple plants to produce flowers. Which combination of hormones can be applied to artificially induce flowering in pineapple plants throughout the year to increase yield?

asked Jul 8, 2019 by pady_1

2 answers

Phloem in gymnosperms lacks

asked Jul 8, 2019 by pady_1

2 answers

Which one of the following statements regarding post-fertilization development in flowering plants is incorrect ?

asked Jul 8, 2019 by pady_1

2 answers

Due to increasing air-borne allergens and pollutants, many people in urban areas are suffering from respiratory disorder causing wheezing due to :

asked Jul 8, 2019 by pady_1

2 answers

Consider the following statements : (A) Coenzyme or metal ion that is tightly bound to enzyme protein is called prosthetic group. (B) A complete catalytic active enzyme with its bound prosthetic group is called apoenzyme. Select the correct option.

asked Jul 8, 2019 by pady_1

1 answer

Which of the following ecological pyramids is generally inverted ?

asked Jul 8, 2019 by pady_1

2 answers

Which of the following statements is correct ?

asked Jul 8, 2019 by pady_1

1 answer

Conversion of glucose to glucose-6-phosphate, the first irreversible reaction of glycolysis, is catalyzed by:

asked Jul 8, 2019 by pady_1

1 answer

In a species, the weight of newborn ranges from 2 to 5 kg. 97% of the newborn with an average weight between 3 to 3.3kg survive whereas 99% of the infants born with weights from 2 to 2.5 kg or 4.5 to 5 kg die. Which type of selection process is taking place?

asked Jul 8, 2019 by pady_1

1 answer

Drug called 'Heroin' is synthesized by :

asked Jul 8, 2019 by pady_1

2 answers

Which of the following contraceptive methods do involve a role of hormone ?

asked Jul 8, 2019 by pady_1

1 answer

Match the following hormones with the respective disease :

asked Jul 8, 2019 by pady_1

1 answer

Match the following structures with their respective location in organs :

asked Jul 8, 2019 by pady_1

1 answer

Grass leaves curl inwards during very dry weather. Select the most appropriate reason from the following :

asked Jul 8, 2019 by pady_1

1 answer

DNA precipitation out of a mixture of biomolecules can be achieved by treatment with :

asked Jul 8, 2019 by pady_1

2 answers

The Earth Summit held in Rio de Janeiro in 1992 was called :

asked Jul 8, 2019 by pady_1

2 answers

Pinus seed cannot germinate and establish without fungal association. This is because :

asked Jul 8, 2019 by pady_1

1 answer

Extrusion of second polar body from egg nucleus occurs

asked Jul 8, 2019 by pady_1

1 answer

Concanavalin A is

asked Jul 8, 2019 by pady_1

1 answer

Select the correct option

asked Jul 8, 2019 by pady_1

1 answer

From evolutionary point of view, retention of the female gametophyte with developing young embryo on the parent sporophyte for some time, is first observed in :

asked Jul 8, 2019 by pady_1

1 answer

Polyblend, a fine powder of recycled modified plastic, has proved to be a good material for:

asked Jul 8, 2019 by pady_1

2 answers

Thiobacillus is a group of bacteria helpful in carrying out :

asked Jul 8, 2019 by pady_1

1 answer

The correct sequence of phases of cell cycle is :

asked Jul 8, 2019 by pady_1

2 answers

Select the incorrect statement.

asked Jul 8, 2019 by pady_1

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