🐞Which group of plants has the greatest diversity (i.e. the most species) living today?
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Bryophyta
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Lycophyta
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Gymnosperms
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Angiosperms
🍄Name of the longest muscle in the human body?
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Massete muscle
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Stapedius muscle
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Gluteus maximus muscle
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Sartorius muscle
🐞Auxanometer is used for measuring
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Respiratory activity
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photosynthetic activity
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growth activity
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osmotic pressure
🐞Archaeabacteria differ from the true bacteria as they have
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different cell membrane lipids
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cell wall composition
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ribosomal RNA structure
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growth not inhibited by antibiotics
🍄 The enzyme enterokinase helps in conversion of
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Caseinogen into casein
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Pepsinogen into pepsin
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Protein into polypeptides
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Trypsinogen into trypsin
🍄 Carrier ions like Na+ facilitate the absorption of substance like
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Amino acids and glucose
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Glucose and fatty acids
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Fatty acids and glycerol
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Fructose and some amino acids
🍄 Identify the cells whose secretion protects the lining of the gastro- intestinal tract from various enzymes
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Oxyntic cells
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Duodenal cells
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Chief cells
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Goblet cells
🍄Which one of the following pairs of food components in humans reaches the stomach totally undigested?
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Protein and Starch
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Starch and Fat
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Fat and Cellulose
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Starch and Cellulose
🍄Fructose is absorbed into the blood through mucosa cells of intestine by the process called
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Active Transport
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Facilitated Transport
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Simple Diffusion
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Co-Transport Mechanism
🍄Secretin and Cholecystokinin are digestive hormones. They are secreted in
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Oesophagus
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Ileum
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Duodenum
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Pyloric Stomach
🍄In the stomach, gastric acid is secreted by the
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Peptic cells
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Acidic cells
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Parietal cells
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Gastrin secreting cells
🍄 What is present in bacteriophages?
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Protein only
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Carbon and nitrogen
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Nucleoprotein
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DNA
🍄The end products of carbohydrate digestion are-
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Disaccharides
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Glycerol
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Monosaccharides
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Glycogen
🍄The tail of a phospholipid molecule is:
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Made up of hydrophilic and phosphate
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Made up of hydrophilic and saturated hydrocarbons
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Made up of hydrophobic and saturated hydrocarbons
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Made up of hydrophobic and unsaturated hydrocarbons
🍄Which of the following increases the heart rate?
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Peripheral nerves
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Sympathetic nerves
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Parasympathetic nerves
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Cranial nerves