Biology
Give the exact location of the:
(i) Lenticels
(ii) Prostate gland
(iii) Thyroid gland
(iv) Centrosome
(v) Mitral valve
Answer
(i) Lenticels are located on the barks of the older woody stems.
(ii) Prostate gland is located between the urinary bladder and the point where sperm ducts join the urethra.
(iii) Thyroid is situated in the front part of the neck just below the larynx.
(iv) Centrosome is located in the cytoplasm usually close to the nucleus in animal cells.
(v) Mitral value is located between the left auricle and left ventricle.
Related Questions
Choose the correct answer from the four options given below each statement:
NADP is expanded as :
- Nicotinamide, adenosine dinucleostide phosphate
- Nicotinamide, adenine dinucleotide phosphate
- Nicotinamide, adenine dinucleous phosphate
- Nicotinamide, adenosine dinucleous phosphate
State the main function of the following:
(i) Chordae tendinae
(ii) Lymphocytes
(iii) Seminiferous tubule
(iv) Thylakoids
(v) Beta cells of pancreas
Given below are sets of five terms each. In each case rewrite the terms in logical sequence as directed at the end of each statement. An example has been done for you:
Example : Cortical cells, Root hair, xylem, Soil water, endodermis (absorption of water by the plants)
Answer : Soil water, Root hair, cortical cells, endodermis, xylem.(i) Active immunity, Antigen, Antibody, Bacteria, Lymphocytes (defence mechanism of the body).
(ii) Implantation, Parturition, Ovulation, Gestation, Fertilisation (stages leading to formation of foetus and birth).
(iii) Oval window, Tympanum, Cochlea, Auditory canal, Ear ossicles (path through which a vibration of sound is transferred in the human ear).
(iv) Karyokinesis, S-phase, Cytokinesis, G1-phase, G2-phase (cell cycle).
(v) Renal vein, Renal artery, Afferent arteriole, Efferent arteriole, Glomerulus (pathway of blood through glomerulus).
Study the following diagram carefully and then answer the questions that follow. The diagram is depicting a defect of the human eye:
(i) Identify the defect shown in the diagram.
(ii) Give two possible reasons for the above defect.
(iii) Draw a neat labelled diagram to show how the above defect can be rectified.