Tag: different modes of nutrition in plants

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Multiple choice botany nutrition in plants nutrition and its types types of nutrition in plants different modes of nutrition in plants

Pitcher plant Dischidia differs from Sarracenia and Nepenthes in.

  1. Sessile pitcher

  2. Absence of lid

  3. Absence of insect trapping

  4. Both B and C
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Dischidia is a sessile pitcher plant similar to nepenthes & sarracenia. It differs from nepenthes and sarracenia because it's pitcher is not having lids and the absence of insect trapping as it is a myrmecophilic plant and an epiphyte.

So, the correct answer is 'Both B and C'. 

Multiple choice botany nutrition in plants nutrition and its types types of nutrition in plants different modes of nutrition in plants

A partial root parasite is

  1. Balanophora

  2. Rafflesia

  3. Santalum

  4. Dipterocarpus
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation
Santalum album is a partial root parasite because it photosynthesizes its own food, but taps the roots of other species for water and inorganic nutrients. So it depends only partially on the host.
So, the correct option is 'Santalum'.
Multiple choice biology through the alimentary canal nutrition and its types types of nutrition in plants different modes of nutrition in plants digestive system - organs process of digestion coordination in the process of digestion

From which part of the alimentary canal does chemical digestion begins?

  1. Mouth

  2. Esophagus

  3. Stomach

  4. Gall bladder

  5. Small intestine
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Chemical digestion involves enzymes. In the mouth, chemical digestion is initiated when the food comes in contact with saliva, which is secreted by salivary glands. It contains salivary amylase which begins the digestive process by breaking down starch and converting it into maltose. Chemical digestion then further continues in stomach and then finally in the small intestine.

So, option A is the correct answer.

Multiple choice biology through the alimentary canal nutrition and its types types of nutrition in plants different modes of nutrition in plants digestive system - organs process of digestion coordination in the process of digestion

The chemical digestion of food starts in the

  1. Mouth

  2. Stomach

  3. Esophagus

  4. Small intestine

  5. Large intestine
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Chemical digestion food starts in the mouth as saliva is secrets from salivary gland which consists salivary amylase enzyme which acts on starch and converts it into the simpler form the churned food particles with saliva is called as the bolus then transferred to the stomach through the esophagus.

Multiple choice biology through the alimentary canal nutrition and its types types of nutrition in plants different modes of nutrition in plants digestive system - organs process of digestion coordination in the process of digestion

Carnivorous animals use these teeth to tear flesh.

  1. Incisors

  2. Canines

  3. Premolars

  4. Molars
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Carnivorous animals are meat eating animals. They use canines which are long, pointed teeth near the front of their jaw for tearing of flesh. Other teeth along the side of their jaw, molars and premolars, have uneven edges and are used for shearing the food in smaller pieces.

So, option B is the correct answer.

Multiple choice biology through the alimentary canal nutrition and its types types of nutrition in plants different modes of nutrition in plants digestive system - organs process of digestion coordination in the process of digestion

Pick out the odd one: among the parts of the alimentary canal are

  1. Pharynx

  2. Mouth

  3. Buccal cavity

  4. Pancreas
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Pancreas helps in digestion by secreting pancreatic juice in small intestine. However pancreas is a gland and is not a part of alimentary canal. Alimentary canal is a muscular tube which extends from mouth to anus and includes the mouth, pharynx, oesophagus, stomach and the intestines.

So, option D is the correct answer.