Biology
Choose the ODD one out from the following terms given and name the CATEGORY to which the others belong:
Example: Nose, Tongue, Arm, Eye
Answer: Odd Term – Arm, Category – Sense organs
(i) Detergents, X-rays, sewage, oil spills
(ii) Lumen, muscular tissue, connective tissue, pericardium
(iii) Dendrites, Medullary Sheath, Axon, Spinal cord
(iv) Centrosome, Cell wall, Cell membrane, Large vacuoles
(v) Prostate gland, Cowper's gland, seminal vesicle, seminiferous tubules.
Nervous System
ICSE 2018
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Answer
(i) Odd term: X-rays
Category: Others are the pollutants of water.
(ii) Odd term: Lumen
Category: Others are connective tissues.
(iii) Odd term: Spinal cord
Category: Others are parts of nerve cell(neuron).
(iv) Odd term: Centrosome
Category: Others are parts of the plant cell.
(v) Odd term: Seminiferous tubules
Category: Others are accessory glands of male reproductive system.
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Related Questions
Choose between the two options to answer the question specified in the brackets for the following:
An example is illustrated below.
Example: Corolla or Calyx (Which is the outer whorl?) Answer: Calyx
(i) Blood in the renal artery or renal vein (Which one has more urea?)
(ii) Perilymph or endolymph (Which one surrounds the organ of Corti?)
(iii) Lenticels or stomata (Which one remains open always?)
(iv) Sclerotic layer or choroid layer (Which one forms the Iris?)
(v) Blood in the pulmonary artery or pulmonary vein (Which one contains less oxyhaemoglobin?)
Given below is a representation of a type of pollution. Study the picture and answer the questions:
(i) Name the type of pollution shown in the picture.
(ii) Name one source of this pollution.
(iii) How does this pollution affect human health?
(iv) Write one measure to reduce this pollution.
(v) State one gaseous compound that leads to the depletion of the ozone layer and creates 'Ozone holes'.
The diagram given below represents a stage during cell division. Study the same and answer the questions that follow:
(i) Identify whether it is a plant cell or an animal cell. Give a reason in support of your answer.
(ii) Name the stage depicted in the diagram. What is the unique feature observed in this stage?
(iii) Name the type of cell division that occurs during:
- Replacement of old leaves by new ones.
- Formation of gametes.
(iv) What is the stage that comes before the stage shown in the diagram?
(v) Draw a neat, labelled diagram of the stage mentioned in (iv) above keeping the chromosome number constant.
Mention the exact location of the following:
(i) Epididymis
(ii) Lacrimal gland
(iii) Malleus
(iv) Hydathodes
(v) Pulmonary semilunar valve