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The endomembrane system does not include:

pls explain

pyrolic spincter

Protein content which is extracted from mixed or pure cultures of yeasts, bacteria, algae and fungi is called

Question 09

Differentiate between internal fertilization and external fertilization.

Question 2

Which one of the following is not a bacterial disease?



(a) Cholera

(b) Tuberculosis

(c) Anthrax

(d) Influenza

Hollow woolen ball is _________ structure of protein

The organs of the conducting zone of the respiratory system include all the following EXCEPT:

Which of the following is NOT an inherited character?

The exoskeleton is absent in

The cotyledon of maize seed is called

First life on earth originated from non-living matter has been explained by:

A man with AB blood group and marries a woman with O blood group. Work out all the possible of the progeny.what do u call this pattern of inheritance?

IUDs work as contraceptive device as they

Cry proteins are not toxic to humans because:

Antibiotics inhibit the growth of:

Activity of enzymes is further increased by

Can a klenflieter reproduce

Name the pigments of cyanobacteria.

Give two examples for cyanobacteria.

Abscisic acid is also known as

Mention any five microbes and their useful products.

Which of these sentences is incorrect, about the anatomy and function of lungs?

Productivity is the rate of production of biomass expressed in terms of:

i. $\left(kcal{m}^{–3}\right)y{r}^{–1}$

ii. $g{m}^{–2}y{r}^{–1}$

iii. $g^{–1}y{r}^{–1}$

iv. $kcal{m}^{–2}y{r}^{–1}$

What
is a bisexual flower? Collect five bisexual flowers from your
neighborhood and with the help of your teacher find out their common
and scientific names.

Describe the structure of the following with the help of labelled diagrams.

(i) Nucleus

(ii) Centrosome

Write true or false. If false, change the statement so that it is true.
Sternum is present on the ventral side of the body.

Birds and mammals share one of the following characteristics as a common feature.

(a) Pigmented skin

(b) Pneumatic bones

(c) Viviparity

(d) Warm blooded body

Consider the following four conditions (a - d) and select the correct pair of them as adaptation to environment in desert lizards.

The conditions are:

(p) Burrowing in soil to escape high temperature

(q) Losing heat rapidly from the body during high temperature

(r) Bask in sun when temperature is low

(s) Insulating body due to thick fatty dermis

The control of a pest by the introduction of a natural enemy or predator is called

A bacterium divides every 35 minutes. If a culture containing 10⁵ cells per mL is grown for 175 min, what will be the cell concentration per mL after 175 minutes?

32 X 10⁵ cells

175 x 10⁵ cells

5 x 10⁵ cells

35 x 10⁵ cells

Consider the assertion and reason statements below.

Assertion [A]: Cryptorchidism individuals are sterile.

Reason [R]: Female partners cannot concieve.

Match the columns and select the correct option:

$\begin{array}{cccc}& \text{Column I}& & \text{Column II}\\ \text{(a)}& \text{Calcium}& \text{1.}& \text{Interveinal chlorosis}\\ \text{(b)}& \text{Potassium}& \text{2.}& \text{Delayed germination of seeds}\\ \text{(c)}& \text{Zinc}& \text{3.}& \text{Necrosis of young leves}\\ \text{(d)}& \text{Iron}& 4.& \text{Scorched leaf tip}\\ \text{(e)}& \text{Phosphorus}& 5.& \text{Malformed leaves}\end{array}$

Mention the unit flowering phenomenon exhibited by strobilanthus?

What are A, B and C in the shown diagram of ultra structure of the skeletal muscle.