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Is the nucleus a cell organelle?

What is cromatin?

The barrier which separates the protoplasm from the external environment is known as

The process of division of the nucleus during cell division is called ___.

Difference between osmosis and diffusion . [2 MARKS]

How desert plant make there food?

Which of the following respires anaerobically?

Would there be any bacteria in an aquarium ?

Among the following, which is the excretory product in fishes?

Choose the correct option of granulocytes

Pisces have ___ chambered heart

Match the following and select the correct answer using the codes given below the columns.

$\begin{array}{cc}\text{Organelles}& \text{Membranes}\\ \text{A. Mitochondria}& \text{P. Without membrane}\\ \text{B. Lysosomes}& \text{Q. Single membrane}\\ \text{C. Ribosomes}& \text{R. Double membrane}\end{array}$

The kidneys in human beings are a part of the system for

Why is spore formation in bacteria not considered a form of reproduction ?

What is the function of rectum ?

What is the lactation period of Holstein - Friesian ?

How is Bose Einstein condensate created?

List the six main purposes for which food is required by the body.

Question 10
Which of the following are Indian cattle?

(i) Bos indicus
(ii) Bos domestica
(iii) Bos bubalis
(iv) Bos vulgaris

(a) (i) and (iii)
(b) (i) and (ii)
(c) (ii) and (iii)
(d) (iii) and (iv)

Define immunity.

The study of weather and weather forecasting is called as ______.

Why is there a controversy whether viruses are living or non-living?

The mirror in the bathroom during shower becomes foggy because water vapour in the air hits the cooler surface of the mirror. This process is called as____________.

The term __ is derived from the Greek word "Oikos".

Name a fiber yielding crop.

The cell maintain Homeostasis.What do you understand by homeostasis and why does the cell maintain it?

What do ribosomes manufacture other than protein?

What is epidermis and orchids?

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ABHYODAYA

Milk is a emulsion of what constituiens?

__ is the main component of the cell wall.

Which of the following statements is true regarding the movement of molecules in plants?

Which of the following is the basic defining characteristic of a living organisms?

Match the following and choose the correct option
$\begin{array}{cc}Typesofsynovialjoints& Bonesinvolved\\ ABallandsocket& 1.Carpalandmetacarpalofthumb\\ BHinge& 2.Atlasandaxis\\ CPivot& 3.Frontal\&Parietal\\ DSaddle& 4.Knee\\ & 5.Humerusandpectoralgirdle\end{array}$

Pollen pistil interaction is not associated with which of the following features?
(i) Chemical process
(ii) Dynamic process
(iii) Chemotactic growth of pollen tube through style tissue
(iv) Transmission tissue in hollow style

Sclerenchyma are composed of long, narrow cells. This provides strength to plant parts. Where are these tissue present in plants?

Which of the following statement(s) is/are true about viruses?

i. Viruses are smallest among the microorganisms.

ii. Viruses can live freely.

iii. Viruses use the host cell to reproduce.

iv. Viruses do not have DNA or RNA.

Sporogenous tissue → (i) →Microspore mother cells → (ii) → Microspore tetrads
Identify (i) and (ii) in the above sequence.

Two cells, A and B, are placed in a solution. Based on the following observation, it can be concluded that the solution is ------ to cell A while -------to cell B.

Which of the following statements is not true?

A peptide bond is formed by the process of

Spore formation is an asexual mode of reproduction. Which of the following organisms reproduces asexually through spores?

Movement of plant parts in reponse to the force of gravity is called ___.

Yersinia pestis is responsible for

What is the correct descending sequence of category level of diversity?

The transfer of matter and energy between different components of biosphere is called: