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Q. Show the Embryological Evidence?
Embryology is the study of the successive stages of sporogencsis , gametogenesis and the growth and development of the embryo. The number of nuclei in the pollen grains at the time of pollen dispersal is either two or three. Double fertilisation is an example of embryological unity throughout the angiosperms. Based on the number of cotyledons, monocotyledons are separated from dicotyledons. The binucleate pollen is derived. Embryology has had systematic significance in the grass family, where with several other characters it has been used to revise the family's classification. In animals the embryological evidence is of great significance, e.g. the Anopheles maculipennis complex is broken into a number of sibling species on the basis of their egg structure. In Dacus oleae and ceratitis capitata.(fruit flies) the whole eggs are separated on the basis of the character of anterior pole and the whole classification of white flies is primarily based on the structure of their pupae.
What are some of the things scientists may do to analyze data? They may use statistics to determine relation- ships among variables, compare the data with those obtained in ot
Name the source gland of leutinising hormone (LH). State the other hormone along with which it acts on its target cells/organ. Give their two functions.
Define the Criteria for an Indicator Organism? Following criteria are suggested for an indicator organism: i. It should be suitable for the analysis of all types of water, i
The technical term used for the androecium in a flower of China rose (Hibiscus rosasinensis) is: 1. Monadelphous 2. Diadelphous 3. Polyandrous 4. Polyadelphous
Diagnosis Chest X-ray, Sputum Cytology Test Fibro Optic Bronchoscopy and Biopsy In later stage of disease - weight loss, Debility indicating metastasis Staging of
The ideal clinical conditions of teeth which we know already include: - the absence of pain. - less than 0.1 mm initial hori-ontal mobility under lateral forces of less than
Q. Complications in celiac disease? Patients with severe form of celiac's disease for long period are at risk for several complications mainly due to nutrient absorption probl
Q. What are the two groups of defense mechanisms of the body against harmful agents or foreign? What is the difference between them? The body has many defense mechanisms agains
Nucleic acid hybridization: This is a process by which a suitably labeled DNA or RNA from a known infectious agent is used to probe its complementary sequence unique to t
Ultrasonic removal of Gutta percha: -the piezoelestic ultrasonic system. - As the instruments is energized; producing heat to themosoften gutta-percha. - Float gutta-perc
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