Which of the following character is common in both monocotyledonous and dicotyledonous embryo?

Production of seeds without fertilisation is known as __A__ and this is commonly present in __B__.

When bands of RNA are transferred from agarose gel to a nitrocellulose membrane for identification, the process is called -

Which type of species interaction is found within a population?

Assertion: Logistic growth curve is considered as more realistic one.
Reason: Resources for growth for most organisms are finite and become unlimited sooner or later.

Assertion: Intraspecific competition is more acute than interspecific competition.

Reason: Resources among closely related species is more common than unrelated species.

An association of different species inhabiting in an area and have same functional attributes, it is called as-

Select the correct set of only viral diseases.

Statement 1: The NADP reductase enzyme is located on the lumen side of thylakoid membrane.
Statement 2: The ATP synthase enzyme consist of two parts: one is called as Fo and the other portion is called F1.

Statement 1: Neurohypophysis stores and releases two hormones called prolactin and vasopressin.
Statement 2: Pars intermedia secretes only one hormone called MSH

Assertion: Insulin and cortisol are protein hormones.
Reason: Protein hormones interact with membrane bound receptors.

Assertion: Predator maintain species diversity in it's natural ecological system.
Reason: Predator reduces the intensity of interspecific competition among their prey species.

Assertion: The process of filtration of urine by glomerulus is considered as a process of ultra filtration.

Reason: Blood is filtered so finely that almost all the constituents of the plasma except proteins pass into the lumen of the bowman's capsule.

Uriniferous tubules are mainly concerned with:

Among the lanthanides, the one
obtained by synthetic method is
[CBSE AIPMT 1994]

The lanthanide contraction is
responsible for the fact that
[CBSE AIPMT 1997]

During biological nitrogen fixation,
inactivation of nitrogenase by
oxygen poisoning is prevented by [CBSE AIPMT 2015] (a) leghaemoglobin (b) xanthophyll (c) carotene (d) cytochrome

Which of the following are not
secondary metabolites in plants?
[NEET 2021]

What would be the heart rate of a
person if the cardiac output is 5 L,
blood volume in the ventricles at the end of diastole is 100 mL and at the end of ventricular systole is 50 mL? [NEET (National) 2019]

When electrons are trapped into
the crystalline anion vacancy, the
defect is known as [CBSE AIPMT 1994]