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Alimentary Canal of Cockroach

Which of thes...

Question

Which of these are present only in male cockroach Anal cerci, Anal styles or Anal places?

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Solution

Anal styles.

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A l_{2} O_{3} + N a O H + H_{2} O (l) \to N a A l (O H)_{4} (a q)

N a O H

required to balance equation are :

Q. Assertion :Baking powder contains

N a H C O_{3}

C a (H_{2} P O_{4})_{2}

N a A l (S O_{4})_{2}

\begin{matrix} N a H C O_{3} \end{matrix}

C a (H_{2} P O_{4})_{2}

is acidic in aqueous solution. Acidic solution of

C a (H_{2} P O_{4})_{2}

C O_{2}

on reaction with

N a H C O_{3}

Starch ] as a filter

N a A l (S O_{4})^{2}

retarder so that

C O_{2}

is given off more slowly while preparing cake or bread.

Q. The more commonly used baking powder contains about 30%

N a H C O_{3}

N a A l (S O_{4})_{2}

C a (H_{2} P O_{4})_{2}

and 40% starch. Which of the following statements are correct?

N a H C O_{3}

can be used on its own to make cakes or bread. Baking powder is more commonly used, and contains

N a H C O_{3}

C a (H_{2} P O_{4})_{2}

and starch. An improved combination baking powder contains about 40% starch, 30%

N a H C O_{3}

N a A l (S O_{4})_{2}

C a (H_{2} P O_{4})_{2}

Answer the following questions based on above study.

In improved baking powder,

N a A l (S O_{4})_{2}

Q. Match the terms to these definitions.

Musculature, Malphighian tubules, Tegmina, Anal cerci, Ovipositor, Anal styles, Trachea, Cockroach, Rectal papillae, Haemocoel

.......... Constitute excretory system of cockroach.

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Alimentary Canal of Cockroach

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