List of practice Questions

Intrinsic and extrinsic pathways of blood clotting are interlinked at the activation steps of which of the following factors?

One of the breeding techniques useful to eliminate harmful recessive genes by selection is

Herbicide that blocks electron transport from PS-II to PS-I by inhibiting electron flow between plastoquinone \(\rightarrow\)cytochrome is

Statement I Microtubules are formed only in animals cells.
Statement II Microtubules are made up of a protein called myosin. 
Choose the correct option

Some functions of nutrient element are given below
(I) Important constituent of proteins involved in ETS. 
(II) Activator of catalase. 
(III) Important constituent of cytochrome.
(IV) Essential for chlorophyll synthesis.
The concerned nutrient is

Torsion of visceral mass is seen in animals belonging to class

A plant is provided with ideal conditions for photosynthesis and supplied with isotope 14 CO2. When the products of the process are analyzed carefully, what would be the nature of products?

Double fertilization is exhibited by :

Which one of the following is related to Ex-situ conservation of threatened animals and plants ?

An example of colonial alga is :

Which ecosystem has the maximum biomass ?

With reference to factors affecting the rate of photosynthesis, which of the following statements is not correct ?

Life cycle of Ectocarpus and Fucus respectively are:

Identify the wrong statement in context of heartwood:

Zygotic meiosis is characteristic of ;

Select the correct route for the passage of sperms in male frogs :

Which of the following is made up of dead cells?

If $ cot \,(sin^{-1} \,x) = cos (tan^{-1} \sqrt 3) $ , then $ x = $

If $\int^{\pi/2}_{0} \log\cos x dx =\frac{\pi}{2} \log\left(\frac{1}{2}\right)$ then $ \int^{\pi/2}_{0} \log\sec x dx = $

The objective function of $LPP$ defined over the convex set attains its optimum value at

The equation of a circle is $ C : x^2 + y^2 - 6 x - 4y + 11 = 0 $ . $ A $ point $ P(4,3) $ that lies on this circle is taken. $ A $ diameter with $ P $ as an end is drawn. What will be the coordinates of its other end?

Which of the following functions is inverse of itself?

A function $ f(x) $ is a differentiable for all $ x \in [1,2] $ such that $ |f'(x) | < 2 $ . Which of the following options can be true ?

If $ (-4, 5) $ is the image of the point $ (6, 1) $ with respect to the line $ L $ , then $ L $ is given by