List of practice Questions

Assertion (A): Binary fission in Euglena is called symmetrogenic division.
Reason (R): Plane of fission in Euglena is at right angles to the longitudinal axis of the body.

Match the following hormones with their corresponding disorders:

Hormone	Disorder
A) Thyroxine	I. Addison's disease
B) Vasopressin	II. Diabetes mellitus
C) Glucocorticoids	III. Acromegaly
D) Somatotropin	IV. Myxedema
	V. Diabetes insipidus

If a body is projected from the surface of the earth with a velocity of $\sqrt{5}V_e$, then the velocity of the body when it escapes from the gravitational influence of the earth is
(Escape velocity of a body from the surface of the earth, $V_e = 11.2$ km s$^{-1}$)

In acid medium dichromate oxidizes sulphite to sulphate as shown below. Identify correct statements about this balanced equation:
\[ x {Cr}_2{O}_7^{2-} + y {SO}_3^{2-} + z {H}^+ \rightarrow a {Cr}^{3+} + b {SO}_4^{2-} + c {H}_2{O} \] Statements:
I) Sum of \(x\) and \(y\) is (4)
II) Sum of \(a\) and \(c\) is equal to \((3 + b)\).
III) Sum of \(x\), \(y\), and \(z\) is 11.

Choose the correct statements among the following
I. Diplo haplontic life cycle can be seen in Bryophyte.
II. In Volvox, meiosis in zygote results in haploid spore.
III. Cycas has siphonogamous oogamy.
IV. Mycorrhizal association can be seen in Cycas roots.

Match the following

List - A	Description	List - B	Description
A.	Acropetal, sessile flowers	I.	Compound Racemose
B.	Three flowered cyme	II.	Achyranthus
C.	Panicle	III.	Hypanthodium
D.	Unisexual flowers with irregular arrangement	IV.	Cymele

In these leucocytes, nucleus is kidney shaped.

Flagellum in Paramecium is of this type

Statement-I: In cockroach, mycetocytes of fat bodies secrete fats.
Statement-II: Haemocytes in cockroach are phagocytic.

Which of the following is an intra uterine device (IUD)?

Assertion (A): In the polluted area, Birmingham, black peppered moths were abundant. In the non-polluted area, Dorset, grey forms were abundant.
Reason (R): Natural selection.
Identify the correct option from the following

Identify the complex ion/s with the least spin only magnetic moment (in BM).
I) [Fe(CN)$_6$]$^{3-}$
II) [Co(CN)$_6$]$^{3-}$
III) [Mn(CN)$_6$]$^{4-}$
IV) [Fe(CN)$_6$]$^{4-}$

Study the following statements and pick up the incorrect statements.
I. Haemophilia is an X-linked disorder due to dominant genes.
II. Inheritance of colour blindness follows the cris-cross pattern.
III. Haemophilia A and Haemophilia C are X-linked disorders.
IV. Y-linked genes are called holandric genes.

If the speed of projection of a projectile is twice its speed when it is at maximum height, then the angle of projection is

Identify the correct statements
I) Enthalpy is an intensive property
II) For, H$_2$O(l) $\longrightarrow$ H$_2$O(g) process, $\Delta S$ increases
III) Entropy is a state function

The reactions which give $ \text{XeO}_3 $ as one of the products are:
I) Complete hydrolysis of $ \text{XeF}_2 $
II) Complete hydrolysis of $ \text{XeF}_4 $
III) Complete hydrolysis of $ \text{XeF}_6 $

Match the following:

List - I	List - II
A. Velamen Roots	II. Eichhornia
B. Axillary buds as tendrils	I. Watermelon
C. Floral buds as storage food	IV. Agave
D. Swollen petiole	III. Pisum

Identify the correct option from the following:

Match the following:

List - I	List - II
A. Nucleic acids structure	IV. Phosphorous
B. Synthesis of nucleic acid	III. Iron
C. Stabilize protein structure	II. Sulphur
D. Catalase	II. Sulphur

Somatostatin is secreted by

Two concentric loops of radii 'r' and 'R' are in same plane such that \( R \gg r \). If a current \( I \) is maintained in the loop of radius \( r \), then the magnetic flux associated with the loop of radius 'R' due to this current is

Which of the following statements is incorrect about enthalpy?

During the denaturation of proteins, which of the following structures will remain intact?

A transistor has 3 impurity regions of different doping levels. In the order of increasing doping level, the regions are

The heat supplied to a gas at a constant pressure of $5 \times 10^5\, Pa$ is 1000 kJ. If the volume of gas changes from 1 m$^3$ to 2.5 m$^3$, then the change in internal energy of the gas is

Consider the following statements:
Statement-I: Shaving soaps contain glycerol to prevent rapid drying.
Statement-II: Laundry soaps contain sodium carbonate as filler.
Which of the following is correct?